There is a way to use Linux commands to display all programs with the setuid bit on. I run this periodically to look for programs that are setuid and owned by root, and I jot down the number of them. If this number gets larger it may indicate a security breech. Why

Answers

Answer 1

Answer:

The SUID bit is a type of permission files that is previously granted to a file. In Linux when you run a program, these special permissions are inherited to the user who is working. The SUID grants permissions to a user temporarily.

Explanation:

If the time lengthens, it is possibly due to a security breach. A change of the password is recommended, through the passwd command. Through this command, some files cannot be opened or seen by the user, only by the user who has root permissions. By configuring the passwd through the SUID we can grant root user permissions to any type of user, so that in such case update, use the shadow and files.

Answer 2

Monitoring setuid root programs helps spot security risks. These programs have high privileges and can be exploited if compromised. A sudden increase might indicate a new risky program or a malicious attack. But it's not the only sign, so stay familiar with your system's programs.

You're right on track! Monitoring the number of setuid programs owned by root is a good security practice. Here's why:

Setuid programs have elevated privileges: The `setuid` bit allows a program to run with the permissions of the file's owner, even if the user running it doesn't have those permissions themselves. This is useful for some programs that need to access resources or perform actions that normal users can't.

Root ownership implies high privilege: Programs owned by `root` have the highest level of permissions on the system.  

Security vulnerabilities in setuid root programs are critical: If a program with `setuid` and root ownership has a security vulnerability, an attacker can exploit it to gain complete control of the system. This is because the program is already running with the most powerful privileges.

By monitoring the number of `setuid root` programs, you can potentially detect:

Accidental addition:*A new program might have been incorrectly given `setuid` privileges, creating an unnecessary risk.

Malicious activity: An attacker might try to add a malicious program with `setuid root` permissions to gain access.

However, it's important to note that a sudden increase isn't the only indicator of a security breach. Here are some additional points to consider:

Some legitimate programs require setuid root: There are valid reasons for some system programs to be `setuid root`. You'll need to be familiar with the expected setuid programs on your system.  

Look for changes in specific programs: A program that wasn't previously `setuid root` becoming so is more suspicious than a known program remaining setuid.  

In conjunction with monitoring the number of `setuid root` programs, consider these security practices:

Keep your system updated: This includes patching the kernel and all installed software.

Minimize the number of setuid root programs: If a program doesn't strictly need `setuid` privileges, remove them.

Use tools for a more comprehensive security check:  There are system security scanners that can help identify vulnerabilities in setuid programs.


Related Questions

In order to paint a wall that has a number of windows, we want to know its area. Each window has a size of 2 ft by 3 ft. Write a program that reads the width and height of the wall and the number of windows,.

Answers

Answer:

6ft

Explanation:

Step 1:

import java.util.Scanner;

class AreaOfRectangle {

public static void main (String[] args)

{

Scanner scanner = new Scanner(System.in);

System.out.println("Enter the length of Rectangle:");

double length = scanner.nextDouble();

System.out.println("Enter the width of Rectangle:");

double width = scanner.nextDouble();

//Area = length*width;

double area = length*width;

System.out.println("Area of Rectangle is:"+area);

}

}

Output

Enter the length of Rectangle:

2

Enter the width of Rectangle:

3

Area of Rectangle is:6.0

Write me some pseudocode for one pass of the Selection Sort algorithm through random values stored in an Unordered-List, or Linked-List, of values (rather than a standard "Python" List).
• How would you implement a swap using a Linked-List?
• What is the minimum number of variables required?

Answers

Answer:

Minimum of 6 variables is required

Explanation:

class LinkedList:

def __init__(self, v):

self.data = v

self.next = None

def sortSelections(first):  

x = y = first

while y.next:

z = p = y.next  

while p:

if y.data > p.data:

if y.next == p:

if y == first:

y.next = p.next

p.next = y

y, p = p, y

z = p

first = y

p = p.next

else:

y.next = p.next

p.next = y

x.next = p

y, p = p, y

z = p

p = p.next

else:

if y == first:

r = y.next

y.next = p.next

p.next = r

z.next = y

y, p = p, y

z = p

p = p.next

first = y

else:

r = y.next

y.next = p.next

p.next = r

z.next = y

x.next = p

y, p = p, y

z = p  

p = p.next

else:  

z = p

p = p.next

x = y

y = y.next

return first

def display(first):

while first:

print(first.data, end = " ")

first = first.next

if __name__ == "__main__":

print("Sorted List: ")

first = LinkedList(53)

first.next = LinkedList(14)

first.next.next = LinkedList(2)

first.next.next.next = LinkedList(9)

first.next.next.next.next = LinkedList(92)

first = sortSelections(first)

display(first)

For this lab you will be creating your own struct, called Frog. You will need to create an array of Frog, and prompt the user for information to create Frogs and fill in the array.

(3 pts) First, create a Frog struct (first test). It should have the following fields: Name, Age, and Leg Length. Expect sample input to look like this:

Todd Jones //Name
12 //Age
12.34 //LegLength
(1 pt) After that, ask the user how many frogs they would like to create:

How many frogs do you want?
(2 pts) Next, loop for the supplied number of times, asking for user input:

What is the name of Frog 1?
What is the age of Frog 1?
What is the leg length of Frog 1?
What is the name of Frog 2?
What is the age of Frog 2?
What is the leg length of Frog 2?

Answers

Answer:

The solution code is written in c++

#include <iostream>using namespace std;struct Frog {  string Name;  int Age;  float LegLength;}; int main (){   Frog frog_test;   frog_test.Name = "Todd Jones";   frog_test.Age = 12;   frog_test.LegLength = 12.34;     int num;   cout<<"Enter number of frogs: ";   cin>>num;     Frog frog[num];     int i;   for(i = 0; i < num; i++){             cout<<"What is the name of Frog "<< i + 1 <<" ?";       cin>> frog[i].Name;             cout<<"What is the age of Frog "<< i + 1 <<" ?";       cin>> frog[i].Age;             cout<<"What is the leg length of Frog "<< i + 1 <<" ?";       cin>> frog[i].LegLength;   }}

Explanation:

Firstly, define a Frog struct as required by the question (Line 4 - 8).

We create a test Frog struct (Line 12 - 15).

If we run the code up to this point, we shall see a Frog struct has been build without error.

Next, prompt user to input number of frogs desired (Line 17 -19).

Use the input number to declare a frog array (Line 21).

Next, we can use a for loop to repeatedly ask for input info of each frog in the array (Line 23- 34).

At last, we shall create num elements of Frog struct in the array.

Write a method called printGrid that accepts two integers representing a number of rows and columns and prints a grid of integers from 1 to (rows * columns) in column major order. For example, the call printGrid(4, 6); should produce the following output: 1 5 9 13 17 212 6 10 14 18 223 7 11 15 19 234 8 12 16 20 24

Answers

Answer:

See attached pictures.

Explanation:

See attached picture for code with explanation.

c++ design a class named myinteger which models integers. interesting properties of the value can be determined. include these members: a int data field named value that represents the integer's value. a constructor that creates a myinteger object with a specified int value. a constant getter that returns the value

Answers

Answer:

#include <iostream>using namespace std;class myinteger {        private:        int value;            public:        myinteger(int x){            value = x;        }               int getValue(){           return value;       }        };int main(){    myinteger obj(4);    cout<< obj.getValue();    return 0;}

Explanation:

Firstly, we use class keyword to create a class named myinteger (Line 5). Define a private scope data field named value in integer type (Line 7 - 8).

Next, we proceed to define a constructor (Line 11 - 13) and a getter method for value (Line 15 -17) in public scope. The constructor will accept one input x and set it to data field, x. The getter method will return the data field x whenever it is called.

We test our class by creating an object from the class (Line 23) by passing a number of 4 as argument. And when we use the object to call the getValue method, 4 will be printed as output.

Project Description The Department plans to purchase a humanoid robot. The Chairman would like us to write a program to show a greeting script the robot can use later. Our first task is to use the following script to prototype the robot for presentation: (Robot) Computer: Hello, welcome to Montgomery College! My name is Nao. May I have your name? (Visitor) Human: Taylor (Robot) Computer: Nice to have you with us today, Taylor! Let me impress you with a small game. Give me the age of an important person or a pet to you. Please give me only a number! (Visitor) Human: 2 (Robot) Computer: You have entered 2. If this is for a person, the age can be expressed as 2 years or 24 months or about 720 days or about 17280 hours or about 1036800 minutes or about 62208000 seconds. If this is for a dog, it is 14 years old in human age If this is for a gold fish, it is 10 years old in human age (Robot) Computer: Let's play another game, Taylor. Give me a whole number (Visitor) Human: 4 (Robot) Computer: Very well. Give me another whole number (Visitor) Human: 5 (Robot) Computer: Using the operator +'in C++, the result of 4 + 5 is 9. Using the operator , the result of 4/5 is 0; however, the result of 4.0/5.0 is about 0.8 (Robot) Computer: Do you like the games, Taylor? If you do, you can learn more by taking our classes. If you don't, I am sad. You should talk to our Chairman! Write a program that uses the script above as a guide without roles, i.e. robot computer and visitor human, to prototype robot greeting in C++

Answers

Answer:

C++ code is explained below

Explanation:

#include <iostream>

#include <iomanip>

using namespace std;

int main()

{

// Variables to store inputs

string robot_name = "Nao";

string visitor_name;

int age, first_num, second_num;

// Constant variable initialisation for programmer name

const string programmer_name = "XXXXXXXX";

// Constant variable initialisation for assignment number

const string assignment_num = "123546";

// Constant variable initialisation for due date

const string due_date = "16 August, 2019";

// Displaying robot's name as script

cout << "Hello, welcome to Montgornery College!";

cout << "My name is " << robot_name << " . May I have your name?" << "\n\n";

// Taking visitor's name as input from the visitor

cin >> visitor_name;

// Displaying vistor's name as script

cout << "\n\nNice to have your with us today, " << visitor_name << "! ";

cout << "Let me impress you with a small game.";

cout << "Give me the age of an important person or a pet to you. ";

cout << "Please give me only a number!" << "\n\n";

// Taking human age as input from the visitor

cin >> age;

// Displaying human's age as script

cout << "\n\nYou have entered " << age << ". If this is for a person,";

cout << " the age can be expressed as " << age << " years or ";

// Computing months, days, hours, minutes and seconds from age input

double months = age*12;

double days = months*30;

double hours = days*24;

double minutes = hours*60;

double seconds = minutes*60;

// Computing dogs and fish age from human's age

double dogs_age = 7*age;

double gold_fish_age = 5*age;

// Displaying months, hours, minutes, hours and seconds as script

cout << months << " months or about " << days << " days or";

cout << " about " << fixed << setprecision(0) << hours << " hours or about " << minutes;

cout << " or about " << fixed << setprecision(0) << seconds << " seconds. If this is for a dog.";

// Displaying dogs age and gold fish age as script

cout << " it is " << dogs_age << " years old in human age.";

cout << " If this is for a gold fish, it is " << gold_fish_age;

cout << " years old in human age" << "\n\n";

cout << "Let's play another game, " << visitor_name << "!";

cout << "Give me a whole number." << "\n\n";

// Taking first whole number from the visitor

cin >> first_num;

cout << "\nVery well. Give me another whole number." << "\n\n";

// Taking second whole number from the vistor

cin >> second_num;

// Computing sum and division for displaying in the script

double sum = first_num+second_num;

double division = first_num/second_num;

float floatDivision = (float)first_num/second_num;

// Displaying sum and division script

cout << "\nUsing the operator '+' in C++,";

cout << " the result of " << first_num << " + " << second_num;

cout << " is " << sum << ". Using the operator '/', the result ";

cout << "of " << first_num << " / " << second_num << " is " << division;

cout << "; however, the result of " << first_num << ".0 /" << second_num;

cout << ".0 is about " << floatDivision << "." << "\n\n";

cout << "Do you like the games, " << visitor_name << "?";

cout << " If you do, you can learn more by taking our classes.";

cout << ". If you don't, I am sad, You should talk to our Chairman!" << "\n\n";

// Displaying Programmer Name, Assignment Number and due date to output screen

cout << "Programmer Name : " << programmer_name << endl;

cout << "Assignment Number : " << assignment_num << endl;

cout << "Due Date : " << due_date << endl;

 

return 0;

}

In the lab, you wrote a four-paragraph __________ that summarized your findings, described the approach and prioritization of critical, major, and minor risk assessment elements, included a risk assessment and risk impact summary of the seven domains of a typical IT infrastructure, and provided recommendations and next steps for executive management.

a.management overview
b.risk assessment outline
c.IT infrastructure recap

Answers

Answer:

b

Explanation:

Read the Security Guide about From Anthem to Anathema on pages 238-239 of the textbook. Then answer the following questions in the format on an essay. Create a heading for each question. Questions: Think about all of the cloud services you use. How vulnerable are you right now to having your data stolen

Answers

Answer:

Answer explained below

Explanation:

Think about all of the cloud services you use. How vulnerable are you right now to having your data stolen?

At its most basic level, “the cloud” is just fancy talk for a network of connected servers. (And a server is simply a computer that provides data or services to other computers). When you save files to the cloud, they can be accessed from any computer connected to that cloud’s network.

The cloud is not just a few servers strung together with Cat5 chords. Instead, it’s a system comprised of thousands of servers typically stored in a spaceship-sized warehouse—or several hundred spaceship-sized warehouses. These warehouses are guarded and managed by companies capable of housing massive loads of data, including the likes of Google (Google Docs), Apple (iCloud), and Dropbox.

So, it’s not just some nebulous concept. It’s physical, tangible, real.

When you save files to the cloud, you can access them on any computer, provided it’s connected to the Internet and you’re signed into your cloud services platform. Take Google Drive. If you use any mail, you can access Drive anywhere you can access your email. Sign in for one service and find your entire library of documents and photos in another.

Why are people concerned with cloud security?

It’s physically out of your hands.

You aren’t saving files to a hard drive at your house. You are sending your data to another company, which could be saving your data thousands of miles away, so keeping that information safe is now dependent on them. “Whether data is being sent automatically (think apps that sync to the cloud) or driven by users uploading photos to social media, the end result is that it’s all there somewhere being logged and stored,” says Jérôme Segura, Senior Security Researcher at Malwarebytes.

And that somewhere is a place that’s not in your direct control.

Risks of cloud storage

Cloud security is tight, but it’s not infallible. Cyber gurus can get into those files, whether by guessing security questions or bypassing passwords. That’s what happened in The Great iCloud Hack of 2014, where unwanted pictures of celebrities were accessed and published online.

But the bigger risk with cloud storage is privacy. Even if data isn’t stolen or published, it can still be viewed. Governments can legally request information stored in the cloud, and it’s up to the cloud services provider to deny access.

In Java, variables of the super class class can point to objects of the subclass. For example, if Student is a super class to Athletes, then any variable (say s) of type Student can point to either Student or Athlete objects. Sometimes we want to know exactly whether s is pointing to Student or pointing to Athlete. This can be accomplished with an if statement. Complete the missing part in the following if statement so it prints YES if the variable s is currently pointing to an Athlete if (s ____________ Athlete) System.out.print("YES");

Answers

Answer:

"instanceof" is the correct answer for the above question.

Explanation:

The "instanceof" is a statement in java, which is used to check for an object that any object is derived from that class or not. The syntax of this statement is "object instanceof class name". If the object is derived from declared class, then it will result in true or otherwise it will result in false.The above question asked about that condition which is used to check that the s object is derived from the Athlete class or not so when the if condition blanks will fill from the "instanceof", then the user will get the if condition which can check. Hence "instanceof" is the correct answer.

For loops: Savings account The for loop calculates the amount of money in a savings account after numberYears given an initial balace of savingsBalance and an annual interest rate of 2.5%. Complete the for loop to iterate from 1 to numberYears (inclusive). Function Save Reset MATLAB DocumentationOpens in new tab function savingsBalance = CalculateBalance(numberYears, savingsBalance) % numberYears: Number of years that interest is applied to savings % savingsBalance: Initial savings in dollars interestRate = 0.025; % 2.5 percent annual interest rate % Complete the for loop to iterate from 1 to numberYears (inclusive) for ( ) savingsBalance = savingsBalance + (savingsBalance * interestRate); end end 1 2 3 4 5 6 7 8 9 10 11 12 Code to call your function

Answers

Answer:

Desired MATLAB code is explained below

Explanation:

function savingsBalance = CalculateBalance(numberYears, savingsBalance)

% numberYears: Number of years that interest is applied to savings

% savingsBalance: Initial savings in dollars

interestRate = 0.025; % 2.5 percent annual interest rate

 

% Complete the for loop to iterate from 1 to numberYears (inclusive)

for (i = 1 : numberYears)

savingsBalance = savingsBalance + (savingsBalance * interestRate);

end

end

The completed for loop in MATLAB iterates from 1 to `numberYears`, updating the `savingsBalance` by adding 2.5% interest each year:

```matlab

for year = 1:numberYears

   savingsBalance = savingsBalance + (savingsBalance * interestRate);

end

```

To complete the `for` loop in the given MATLAB function to calculate the amount of money in a savings account after a specified number of years, you need to iterate from 1 to `numberYears` (inclusive). Here’s the completed function:

```matlab

function savingsBalance = CalculateBalance(numberYears, savingsBalance)

   % numberYears: Number of years that interest is applied to savings

   % savingsBalance: Initial savings in dollars

   interestRate = 0.025; % 2.5 percent annual interest rate

   % Complete the for loop to iterate from 1 to numberYears (inclusive)

   for year = 1:numberYears

       savingsBalance = savingsBalance + (savingsBalance * interestRate);

   end

end

```

In this function:

- The `for` loop iterates from 1 to `numberYears`.

- During each iteration, the `savingsBalance` is updated by adding the interest earned for that year, which is `savingsBalance * interestRate`.

1. Function Purpose: The function `CalculateBalance` takes two input arguments: `numberYears` (the number of years that interest is applied to savings) and `savingsBalance` (the initial savings amount in dollars). Its purpose is to calculate the total savings balance after applying interest over the specified number of years.

2. Interest Rate: The variable `interestRate` is defined within the function to represent the annual interest rate, which is set to 2.5%. This value is expressed as a decimal (0.025) for mathematical calculations.

3. For Loop: The heart of the function lies in the `for` loop, which iterates from 1 to `numberYears` (inclusive). This loop represents each year over which interest is applied to the savings balance.

4. Interest Calculation: Within the loop, the savings balance (`savingsBalance`) is updated in each iteration to reflect the accumulated interest. The formula `savingsBalance = savingsBalance + (savingsBalance * interestRate)` calculates the interest earned for the current year (2.5% of the current balance) and adds it to the existing balance. This process repeats for each year specified by `numberYears`, effectively simulating the accumulation of interest over time.

5. Return Value: Finally, the function returns the updated `savingsBalance` after all iterations of the `for` loop have been completed. This value represents the total savings balance after applying interest for the specified number of years.

Overall, the function provides a straightforward and efficient way to compute the savings balance over time, making it a useful tool for financial calculations.

Create a class called Clock to represent a Clock. It should have three private instance variables: An int for the hours, an int for the minutes, and an int for the seconds. The class should include a threeargument constructor and get and set methods for each instance variable. Override the method toString which should return the Clock information in the same format as the input file (See below). Read the information about a Clock from a file that will be given to you on Blackboard, parse out the three pieces of information for the Clock using a StringTokenizer, instantiate the Clock and store the Clock object in two different arrays (one of these arrays will be sorted in a later step). Once the file has been read and the arrays have been filled, sort one of the arrays by hours using Selection Sort. Display the contents of the arrays in a GUI that has a GridLayout with one row and two columns. The left column should display the Clocks in the order read from the file, and the right column should display the Clocks in sorted order.

Answers

Answer:

public class Clock

{

private int hr; //store hours

private int min;  //store minutes

private int sec; //store seconds

public Clock ()

{

 setTime (0, 0, 0);

}

public Clock (int hours, int minutes, int seconds)

{

 setTime (hours, minutes, seconds);

}

public void setTime (int hours, int minutes, int seconds)

{

 if (0 <= hours && hours < 24)

      hr = hours;

 else

      hr = 0;

 

 if (0 <= minutes && minutes < 60)

      min = minutes;

 else

      min = 0;

 

 if (0 <= seconds && seconds < 60)

      sec = seconds;

 else

      sec = 0;

}

 

 //Method to return the hours

public int getHours ( )

{

 return hr;

}

 //Method to return the minutes

public int getMinutes ( )

{

 return min;

}

 //Method to return the seconds

public int getSeconds ( )

{

 return sec;

}

public void printTime ( )

{

 if (hr < 10)

      System.out.print ("0");

 System.out.print (hr + ":");

 if (min < 10)

      System.out.print ("0");

 System.out.print (min + ":");

 if (sec < 10)

      System.out.print ("0");

 System.out.print (sec);

}

 

 //The time is incremented by one second

 //If the before-increment time is 23:59:59, the time

 //is reset to 00:00:00

public void incrementSeconds ( )

{

 sec++;

 

 if (sec > 59)

 {

  sec = 0;

  incrementMinutes ( );  //increment minutes

 }

}

 ///The time is incremented by one minute

 //If the before-increment time is 23:59:53, the time

 //is reset to 00:00:53

public void incrementMinutes ( )

{

 min++;

 

if (min > 59)

 {

  min = 0;

  incrementHours ( );  //increment hours

 }

}

public void incrementHours ( )

{

 hr++;

 

 if (hr > 23)

     hr = 0;

}

public boolean equals (Clock otherClock)

{

 return (hr == otherClock.hr

  && min == otherClock.min

   && sec == otherClock.sec);

}

}

What is the shortest sequence of MIPS instructions that extracts a field for the constant values of bits 7-21 (inclusive) from register $t0 and places it in the lower order portion of register $t3 (zero filled otherwise)?

Answers

Answer:

What is the shortest sequence of MIPS instructions that extracts a field for the constant values of bits 7-21 (inclusive) from register $t0 and places it in the lower order portion of register $t3 (zero filled otherwise)? - sll$t0, $t3, 9# shift $t3 left by 9, store in $t0

srl $t0, $t0, 15# shift $t0 right by 15

Explanation:

The shortest sequence of MIPS instructions that extracts a field for the constant values of bits 7-21 (inclusive) from register $t0 and places it in the lower order portion of register $t3 (zero filled otherwise) is shown below:

sll$t0, $t3, 9# shift $t3 left by 9, store in $t0

srl $t0, $t0, 15# shift $t0 right by 15

Which date formats are allowed in Excel for February 14, 2018? Check all that apply.
14-Feb-18
14-Feb
February 14, 2018
2/014/2018
02/14/18
2/14/2018​

Answers

Answer:

1,2,5 and 6

Explanation:

Hope this helps!!!!!!!

Forever friend and helper,

Cammie:)

The date formats which are allowed in Microsoft Excel for February 14, 2018 are:

A. 14-Feb-18.

B. 14-Feb.

E. 02/14/18.

F. 2/14/2018​.

Microsoft Excel can be defined as a software application (program) designed and developed by Microsoft Inc., to avail end users the ability to analyze and visualize spreadsheet documents.

Formatting is simply the appearance of textual information and data in a document such as an Excel spreadsheet.

In Microsoft Excel, an end user can set the display format for the following:

Number.Currency.Percentage.Date.

A date provides information about the day, month and year a document was created, last modified, used, etc.

In Microsoft Excel, the date formats which are allowed for February 14, 2018 are:

14-Feb-18. 14-Feb.02/14/18. 2/14/2018​.

Read more: https://brainly.com/question/23822910

Using either a UNIX or a Linux system, write a C program that forks a child process that ultimately becomes a zombie process. This zombie process must remain in the system for at least 10 seconds.

Answers

Answer:

#include <stdlib.h>

#include <sys/types.h>

#include <unistd.h>

int main()

{

// Using fork() creates child process which is  identical to parent

int pid = fork();

 // Creating the Parent process

if (pid > 0)

 sleep(10);

// And then the Child process

else

{

 exit(0);

}

 

return 0;

}

Explanation:

Using a Text editor enter the code in the Answer section and save it as zombie.c. The created process will be able to run for 10 seconds.

Now open the Terminal and type $ cc zombie.c -o zombie to compile the program which is then saved as an executable file.

With a GNU compiler run the following command ./zombie which will give you an output of the parent process and child process to be used testing.

An odometer is the gauge on your car that measures distance traveled. In the United States, an odometer measures in miles; elsewhere else, it measures kilometers. Many vehicles with electronic odometer interfaces can switch between miles and kilometers. Something to consider: if an odometer gets replaced, a new one must be able to be set to some specified mileage. a) Write an Odometer class which must include the following methods: • _init__, _str_1_repr__, overloaded add and substract method The constructor must take two arguments mileage, and any other specification that uses units (you choose the unit specification) . Both arguments must have a default value (you may choose the default values) O Addition and subtraction both have one odometer operand and one numeric operand, where the numeric operand represents the miles being added/subtracted (not two odometer operands). o Addition should be commutative (but not subtraction). o Output methods should always be rounded to 1/10 mile (kilometer), but the odometer itself should maintain full floating-point accuracy. b) Include sample code that uses your class and demonstrates the use of all methods as well as demonstrating error handling. c) at the end of your code show an illustrated run of your code "W" "

Answers

Answer:

class Odometer():

   def __init__(self, mileage=0, unit='miles'):

       if mileage < 0:  

           raise ValueError('Mileage cannot be in negative')

       self.mileage = mileage

       if unit in ['miles', 'kilometers']:  

           self.units = unit

       else:

           raise ValueError("Miles and kilometer unit are allowed only")

   def __repr__(self):

       return self.__str__()

   def __str__(self):

       return 'Mileage: {:.1f} {}'.format(self.mileage, self.units)

   def add(self, odometer, distance):

       if odometer.units == self.units:

           self.mileage = odometer.mileage + distance

       elif self.units == 'miles':  

           self.mileage = odometer.mileage / 1.6 + distance

       else:

           self.mileage = odometer.mileage * 1.6 + distance

   def subtract(self, odometer, distance):

       if odometer.units == self.units:

           self.mileage = odometer.mileage + distance

       elif self.units == 'miles':

           self.mileage = odometer.mileage / 1.6 - distance

       else:

           self.mileage = odometer.mileage * 1.6 - distance

honda_odometer = Odometer(100.56, 'miles')

print('Reading of Honda odometer:', honda_odometer)

new_odometer = Odometer(100, 'kilometers')

print('Reading of New odometer:', new_odometer)

new_odometer.add(honda_odometer, 10)

print('Reading of New odometer after adding honda odometer:', new_odometer)

new_odometer.subtract(honda_odometer,20)

print('Reading of New odometer after subtracting honda odometer:', new_odometer)

Explanation:

Create a class only supports miles and kilometers as units .Create the add method that accepts an odometer, distance and adds it to the current object .Create the subtract method that accepts an odometer and distance and subtract it to the current object .

Suppose that one byte in a buffer covered by the Internet checksum algorithm needs to be decremented (e.g., a header hop count field). Give an algorithm to compute the revised checksum without rescanning the entire buffer. Your algorithm should consider whether the byte in question is low order or high order

Answers

Answer:

The algorithm required for the question is given below.

Explanation:

Step 1: The data is shown below for the algorithm.

Original checksum.Byte location is decrementable.Price to decrease by what bit.

Step 2: Get a checksum compliment from one.

Step 3: Whether byte is of lesser importance to still be decremented by x.

Subtract x from those bytes.

Step 4: Whether byte is of higher importance to still be decremented by x.

Subtract 2⁸×x from those bytes.

Step 5: Start taking one's outcome compliment to get amended iterator checksum.

Define function multiply(), and within the function: Get user input() of two strings made of whole numbers Cast the input to int() Multiply the integers and return the equation with result as a str()

Answers

Answer:

str(int(input("enter the vale of first whole number: "))*int

          (input("Enter the value of the second whole number: ")))

Explanation:

boom this works bc it does boom

In response to the question, a conceptual code example for a multiply() function has been provided where user input is taken, cast to int, multiplied, and the result is returned as a string.

The question asks to define a multiply() function in a programming context, specifically to use user input, cast string to int, perform multiplication, and return the result as a string. Here is a conceptual example of how you might write such a function:

def multiply():
   # Get user input
   num1 = input('Enter the first whole number: ')
   num2 = input('Enter the second whole number: ')
   
   # Cast the input to integers
   int_num1 = int(num1)
   int_num2 = int(num2)

   # Perform multiplication
   result = int_num1 * int_num2

   # Requate the equation with result as a string
   return str(int_num1) + ' * ' + str(int_num2) + ' = ' + str(result)

The multiply() function first captures two strings from the user, converts them into integers, multiplies them, and then returns the equation with the result as a string.

Write a function, named "wait_die_scheduler" that takes a list of actions, and returns a list of actions according to the following rules. The actions given to the scheduler will only consist of WRITE and COMMIT actions. (Hence only exclusive locks need be implemented.) Each transaction will end with a COMMIT action. Before examining each action, attempt to perform an action for each of the transactions encountered (ordered by their names). After all the actions have been examined, continue to attempt to perform an action from each transaction until there are no more actions to be done. You will need to add LOCK, UNLOCK, and ROLLBACK actions to the list of actions to be returned, according to the Wait-Die protocol. If releasing more than one lock (for instance after a COMMIT), release them in order by the name of their object. Use the deferred transaction mode (only requesting locks when needed).

Answers

To implement the `wait_die_scheduler` function according to the Wait-Die protocol for handling WRITE and COMMIT actions in transactions, we'll simulate a scheduler that ensures correct behavior with respect to locks and transaction order. The Wait-Die protocol is used to manage concurrency and handle conflicts between transactions efficiently. Below is a Python implementation of this scheduler function:

def wait_die_scheduler(actions):

   # Data structures to track locks and actions

   locks = {}  # Dictionary to track locks by object name

   results = []  # List to collect final actions to be returned

   # Process the list of actions

   for action in actions:

       transaction_name = action[0]

       action_type = action[1]

       object_name = action[2]

       # If action is WRITE or COMMIT

       if action_type == 'WRITE' or action_type == 'COMMIT':

           # Check if the transaction already has a lock on the object

           if object_name in locks and locks[object_name] != transaction_name:

               # Conflict detected, need to resolve based on Wait-Die protocol

               # Check order of transactions for waiting or aborting

               if transaction_name < locks[object_name]:

                   # Current transaction waits (older transaction, so wait)

                   results.append((transaction_name, 'WAIT', object_name))

               else:

                   # Current transaction aborts (newer transaction, so abort)

                   results.append((transaction_name, 'ROLLBACK', object_name))

                   # Release locks held by the aborted transaction

                   results.extend([(locks[obj], 'UNLOCK', obj) for obj in sorted(locks.keys())])

                   locks.clear()  # Clear all locks after rollback

           else:

               # No conflict, acquire lock for the transaction

               locks[object_name] = transaction_name

           # Add the original action to the results

           results.append((transaction_name, action_type, object_name))

           # If action is COMMIT, release locks held by the committed transaction

           if action_type == 'COMMIT':

               results.extend([(locks[obj], 'UNLOCK', obj) for obj in sorted(locks.keys())])

               locks.clear()  # Clear all locks after commit

   # Final pass to release any remaining locks (should not normally occur)

   results.extend([(locks[obj], 'UNLOCK', obj) for obj in sorted(locks.keys())])

   locks.clear()  # Clear all locks after processing all actions

   return results

# Example usage

actions = [

   ('T1', 'WRITE', 'A'),

   ('T2', 'WRITE', 'B'),

   ('T1', 'COMMIT', 'A'),

   ('T2', 'COMMIT', 'B'),

   ('T1', 'WRITE', 'B'),

   ('T1', 'COMMIT', 'B')

]

result_actions = wait_die_scheduler(actions)

for action in result_actions:

   print(action)

Explanation of the `wait_die_scheduler` function:

1. Initialization: We start by defining empty data structures (`locks` and `results`) to track locks on objects and the resulting list of actions.

2. Processing Actions: Iterate through each action in the provided list (`actions`). Each action is a tuple consisting of transaction name, action type (`WRITE` or `COMMIT`), and the object name.

3. Handling WRITE and COMMIT Actions:

  - For a `WRITE` action:

    - Check if the transaction already holds a lock on the object.

    - If there's a conflict (another transaction holds the lock), resolve it based on the Wait-Die protocol by either making the current transaction wait or aborting it.

  - For a `COMMIT` action:

    - Release all locks held by the committed transaction.

4. Building Resulting Actions:

  - Append the original action to the `results` list.

  - If a transaction commits or aborts, add corresponding `UNLOCK` actions for all locks held by the transaction.

5. Final Cleanup: Ensure all locks are released after processing all actions.

This implementation follows the Wait-Die protocol by managing locks, resolving conflicts between transactions, and ensuring correct order of operations according to the protocol rules. Adjustments may be needed based on specific requirements or variations of the Wait-Die protocol for different scenarios.

Create a class named College Course that includes data fields that hold the department (for example, ENG), the course number (for example, 101), the credits (for example, 3), and the fee for the course (for example, $360). All of the fields are required as arguments to the constructor, except for the fee, which is calculated at $120 per credit hour. Include a display () method that displays the course data. Create a subclass named Lab Course that adds $50 to the course fee. Override the parent class display () method to indicate that the course is a lab course and to display all the data. Write an application named UseCourse that prompts the user for course information. If the user enters a class in any of the following departments, create a LabCourse: BIO, CHM, CIS, or PHY. If the user enters any other department, create a CollegeCourse that does not include the lab fee. Then display the course data. Save the files as CollegeCourse.java, LabCourse.java, and UseCourse.java.

Answers

Answer:

File: clgCourse.java

public class clgCourse

{

  private final double CREDIT_HOUR_FEE = 120.00;

  private String dpt;

  private int courseNo;

  private int credits;

  private double courseFee;

  public clgCourse(String newdpt, int newcourseNo, int newCredits)

  {

      dpt = newdpt.toUpperCase();

      courseNo = newcourseNo;

      credits = newCredits;

      courseFee = CREDIT_HOUR_FEE * credits;

  }

  public String getdpt()

  {

      return dpt;

  }

  public int getcourseNo()

  {

      return courseNo;

  }

  public int getCredits()

  {

      return credits;

  }

  public double getcourseFee()

  {

      return courseFee;

  }

  public void display()

  {

      System.out.println("\n Course Data");

      System.out.println("Course: " + "College Course");

      System.out.println("dpt: " + this.getdpt());

      System.out.println("Course Number: " + this.getcourseNo());

      System.out.println("Credit Hours: " + this.getCredits());

      System.out.println("Course Fee: $" + this.getcourseFee());

  }

}

File: LabCourse.java

public class LabCourse extends clgCourse

{

  private final double LAB_FEE = 50.00;

  private double labCourseFee;

  public LabCourse(String newdpt, int newcourseNo, int newCredits)

  {

      super(newdpt, newcourseNo, newCredits);

      labCourseFee = super.getcourseFee() + LAB_FEE;

  }

  public double getLabCourseFee()

  {

      return labCourseFee;

  }

  public void display()

  {

      System.out.println("\n Course Data");

      System.out.println("Course: " + "Lab Course");

      System.out.println("dpt: " + super.getdpt());

      System.out.println("Course Number: " + super.getcourseNo());

      System.out.println("Credit Hours: " + super.getCredits());

      System.out.println("Course Fee: $" + this.getLabCourseFee());      

  }

}  

File: UseCourse.java

import java.util.Scanner;

public class UseCourse

{

  public static void main(String[] args)

  {

      Scanner keyboard = new Scanner(System.in);

      System.out.print("Enter the dpt of the course: ");

      String dept = keyboard.nextLine();

     

      System.out.print("Enter the number of the course: ");

      int number = keyboard.nextInt();

      System.out.print("Enter the credit hours of the course: ");

      int hours = keyboard.nextInt();

      if(dept.equalsIgnoreCase("BIO") || dept.equalsIgnoreCase("CHM")

              || dept.equalsIgnoreCase("CIS") || dept.equalsIgnoreCase("PHY"))

      {

          LabCourse labCourse = new LabCourse(dept, number, hours);

          labCourse.display();

      }

      else

      {

          clgCourse clgCourse = new clgCourse(dept, number, hours);

          clgCourse.display();

      }

      keyboard.close();

  }

}

Explanation:

Create a getdpt method that returns the dpt of the course .Create a getcourseNo method that returns the number of the course.Create a display method that displays all the data of college course .Check if the user enters any of the lab dpts (BIO, CHM, CIS, or PHY),  then create a LabCourse and then display the course data .Check if the user does not enter any of the lab dpts (BIO, CHM, CIS, or PHY),  then create a clgCourse and then display the course data .

def c_to_f(): # FIXME return # FIXME: Finish temp_c = float(input('Enter temperature in Celsius: ')) temp_f = None # FIXME: Call conversion function # temp_f = ?? # FIXME: Print result # print('Fahrenheit:' , temp_f)

Answers

Answer:

def c_to_f(celsius):      return celsius * 9/5 + 32 temp_c = float(input('Enter temperature in Celsius: '))  temp_f = None   temp_f = c_to_f(temp_c)  print('Fahrenheit:' , temp_f)

Explanation:

The first piece of code we can fill in is the formula to convert Celsius to Fahrenheit and return it as function output (Line 2).

The second fill-up code is to call the function c_to_f and pass temp_c as argument (Line 7). The temp_c will be processed in the function and an equivalent Fahrenheit value will be returned from the function and assigned it to temp_f.

Question 2. Complete the following conditional statement so that the string 'More please' is assigned to the variable say_please if the number of nachos with cheese in ten_nachos is less than 5. Hint: You should not have to directly reference the variable ten_nachos.

Answers

Answer:

The solution code is written in Python 3:

ten_nachos = [True, True, False, False, False, True, False, True, False, False] count = 0 for x in ten_nachos:    if (x == True):        count += 1 if count < 5:    say_please = "More please"

Explanation:

By presuming the ten_nachos hold an array of True and False values with True referring to nachos with cheese and False referring to without cheese (Line 1).

We create a counter variable, count to track the occurrence of True value in the ten_nachos (Line 3).

Create a for-loop and traverse through the True and False value in the ten_nachos and then check if the current value is True, increment count by 1 (Line 5 - 7).

If the count is less than 5, assign string "More please" to variable say_please (Line 9 -10).

Final answer:

The question requires creating a conditional statement to assign a string to a variable based on a comparison. The statement would look something like 'if nacho_count < 5: say_please = 'More please'' in pseudocode, where 'nacho_count' represents the variable for the number of nachos.

Explanation:

The student's question involves completing a conditional statement in a programming context. The problem provided requires constructing logic that assigns the string 'More please' to a variable say_please based on the condition of the number of nachos with cheese being less than five. This scenario is aligned with conditional programming logic, often taught in computer science classes at the high school level. The completion of the conditional statement can be achieved by setting a variable (presumably counting the number of nachos) and checking if it is less than five.

For the given scenario, assuming the variable counting nachos is nacho_count, the conditional statement in pseudocode would look something like:

if nacho_count < 5:
   say_please = 'More please'

It is important to note that in actual code, the specifics of the syntax will depend on the programming language being used. The underlying concept of using a conditional statement (if statement) to control the flow of a program, however, remains the same across different languages.

Write a function sum them() that sums a set of integers, each of which is the square or cube of a provided integer. Specifically, given an integer n from a list of values, add n2 to the total if the number’s index in nums is even; otherwise, the index is odd, so add n3 to the total.

Answers

Answer:

# sum_them function is defined

def sum_them():

   # A sample of a given list is used

   given_list = [1, 2, 3, 4, 5, 6, 6, 9, 10]

   # The total sum of the element is initialized to 0

   total = 0

   # for-loop to goes through the list

   for element in given_list:

       # if the index of element is even

       # element to power 2 is added to total

       if(given_list.index(element) % 2 == 0):

           total += (element ** 2)

       else:

       # else if index of element is odd

       # element to power 3 is added to total

           total += (element ** 3)

   # The total sum of the element is displayed

   print("The total is: ", total)        

           

# The function is called to display the sum

sum_them()            

Explanation:

The function is written in Python and it is well commented.

Image of sample list used is attached.

Write the routines with the following declarations: void permute( const string & str ); void permute( const string & str, int low, int high ); The first routine is a driver that calls the second and prints all the permutations of the characters in string str. If str is "abc", then the strings that are output are abc, acb, bac, bca, cab, and cba. Use recursion for the second routine.

Answers

Answer:

Here is the first routine:

void permute( const string &str ) {  // function with one parameter

 int low = 0;

 int high = str.length();

 permute(str, low, high);

}    

Or you can directly call it as:

 permute(str, 0, str.length());

Explanation:

The second routine:

void permute( const string &str, int low, int high)  

//function with three parameters

{ string str1 = str;

 if ( low == high ) {  //base case when last index is reached

   for (int i = 0; i <= high; ++i)

     cout << str1[i]; }  //print the strings  

 else {

   for (int i=low; i<high; ++i) {  // if base case is not reached

     string temp = str1;   //fix a character

     swap( str1[i], str1[low] ); //swap the values

     permute( str1, low + 1, high );  //calling recursive function (recursion case)

     swap( str1[i], str1[low] );     }  } } //swap again to go to previous position

In this function the following steps are implemented:

A character is fixed in the first position.

Rest of the characters are swapped with first character.

Now call the function which recursively repeats this for the rest of the characters.

Swap again to go to previous position, call the recursive function again and continue this process to get all permutations and stop when base condition is reached i.e. last index is reached such that high==low which means both the high and low indices are equal.

You can write a main() function to execute these functions.

int main() {

 string str;

 cout << "Enter a string: ";

 cin >> str;

 permute(str);  }

Final answer:

The question requires defining two routines to output all permutations of a given string. The first function 'permute' serves as a driver, while the second 'permute' function is a recursive method that systematically swaps characters to produce each permutation.

Explanation:

Routines to Permute a String:

The task is to write routines to generate all permutations of the characters in a given string. The first function serves as a driver, while the second function uses recursion to perform the actual permutation process.

void permute(const string &str) {
   permute(str, 0, str.size() - 1);
}
void permute(const string &str, int low, int high) {
   if (low == high) {
       cout << str << endl;
   } else {
       for (int i = low; i <= high; i++) {
           // Swap the current index with the low element
           swap(str[low], str[i]);
           // Recursively call permute on the substring
           permute(str, low + 1, high);
           // Swap back for the next iteration
           swap(str[low], str[i]);
       }
   }
}
In the above code, permute(const string &str) is the driver function that calls the recursive function permute(const string &str, int low, int high), initiating the process with the full range of the string (from index 0 to the length of the string minus one).

Within the recursive function, when the low index matches the high index, it indicates that a permutation has been generated, and it gets printed. If not, the function enters a for-loop, where recursive calls are made after swapping the current character with the one at the start of the substring defined by low and high. After the recursive call returns, the characters are swapped back to their original position, allowing for correct generation of subsequent permutations.

The input is an N by N matrix of numbers that is already in memory. Each individual row is increasing from left to right. Each individual column is increasing from top to bottom. Give an O(N) worst-case algorithm that decides if a number X is in the matrix.

Answers

Final answer:

An efficient O(N) algorithm can determine if a number X is present in an N x N sorted matrix by starting from the top-right corner and moving left or down through matrix elements based on comparisons with X, eliminating one row or column at a time.

Explanation:

Suppose we have an N x N matrix, where each row is sorted in increasing order from left to right and each column is sorted in increasing order from top to bottom. To determine if a given number X is in this matrix, we can employ an efficient algorithm with a time complexity of O(N), which is much faster than checking every element in the matrix.

The algorithm starts from the top-right corner of the matrix. At each step, if the current element is greater than X, we move one step to the left. If the current element is less than X, we move one step down. If the current element is equal to X, we return true, indicating that X is found in the matrix. If we reach the left border or the bottom border of the matrix without finding X, we return false.

This algorithm works because the matrix is sorted row-wise and column-wise, allowing us to eliminate a row or a column at each step. Hence, we perform at most N steps, leading to a worst-case time complexity of O(N).

You are tasked to calculate a specific algebraic expansion, i.e. compute the value of f and g for the expression: ???? = (???????? − ???????????? + ???????????? − ????????) ???? = (???????????? + ????????????????) without using any intrinsic multiplication instructions, subroutines, and function calls. More formally, write MIPS assembly code that accepts four positive integers A, B, C, and D as input parameters.

Answers

Answer:

.data

prompt: .asciiz "Enter 4 integers for A, B, C, D respectively:\n"

newLine: .asciiz "\n"

decimal: .asciiz "f_ten = "

binary: .asciiz "f_two = "

decimal2: .asciiz "g_ten = "

binary2: .asciiz "g_two = "

.text

main:

#display prompt

li $v0, 4

la $a0, prompt

syscall

#Read A input in $v0 and store it in $t0

li $v0, 5

syscall

move $t0, $v0

#Read B input in $v0 and store it in $t1

li $v0, 5

syscall

move $t1, $v0

#Read C input in $v0 and store it in $t2

li $v0, 5

syscall

move $t2, $v0

#Read D input in $v0 and store it in $t3

li $v0, 5

syscall

move $t3, $v0

#Finding A^4

#Loop (AxA)

li $t6, 0

L1:

bge $t6, $t0, quit

add $s1, $s1, $t0 # A=S+A => $s1= A^2

addi $t6, $t6, 1 # i=i+1

j L1

quit:

#Loop (A^2 x A^2)

li $t6, 0

L1A:

bge $t6, $s1, quit1A

add $s5, $s5, $s1

addi $t6,$t6, 1

j L1A

#End of Finding A^4

#Finding 4xA^3

quit1A:

#Loop (4xB)

li $t6, 0

L2:

bge $t6, 4, quit2

add $s2, $s2, $t1

addi $t6, $t6, 1

j L2

quit2:

#Loop (BxB)

li $t6 , 0

L2A:

bge $t6, $t1, quit2A #loop2

add $s6, $s6, $t1 #add

addi $t6, $t6, 1 #add immediate

j L2A #loop2

quit2A: # perform proper program termination using syscall for exit

#Loop (BxB)

li $t6 , 0 #load immediate

L2AA:

bge $t6, $s2, quit2AA #loop2

add $t7, $t7, $s6 #add

addi $t6, $t6, 1 #add immediate

j L2AA #loop2

#End ofFinding 4xA^3

#Finding 3xC^2

quit2AA: # perform proper program termination using syscall for exit

#3 Loop (3 x (C x C)) FOR S3

li $t6 , 0 #load immediate

L3:

bge $t6, $t2, quit3 #loop3

add $s3, $s3, $t2 #add

addi $t6,$t6, 1 #add immediate

j L3 #loop3

quit3: # perform proper program termination using syscall for exit

#3 Loop (3 x (C x C)) FOR S3

li $t6 , 0 #load immediate

L3A:

bge $t6, 3, quit3A #loop3

add $s0, $s0, $s3 #add

addi $t6,$t6, 1 #add immediate

j L3A #loop3

#End of Finding 3xC^2

#Finding 2xD

quit3A: # perform proper program termination using syscall for exit

#4 Loop (2 x D) FOR S4

li $t6 , 0

L4:

bge $t6, 2, quit4 #loop4

add $s4, $s4, $t3 #add

addi $t6, $t6, 1 #add immediate

j L4 #Loop4

#End of Finding 2xD

#Finding AxB^2

quit4:

li $t6, 0

li $s1, 0

L5:

bge $t6, $t1, quit5

add $s1, $s1, $t1

addi $t6, $t6, 1

j L5

quit5:

li $t6, 0

li $s2, 0

L6:

bge $t6, $t0, quit6

add $s2, $s2, $s1

addi $t6, $t6, 1

j L6

#End of Finding AxB^2

#Finding C^2XD^3

quit6: #finds C^2

li $t6, 0

li $s1, 0

L7:

bge $t6, $t2, quit7

add $s1, $s1, $t2

addi $t6, $t6, 1

j L7

quit7: #finds D^2

li $t6, 0

li $s6, 0

L8:

bge $t6, $t3, quit8

add $s6, $s6, $t3

addi $t6, $t6, 1

j L8

quit8: #finds D^3

li $t6, 0

li $s7, 0

L9:

bge $t6, $t3, quit9

add $s7, $s7, $s6

addi $t6, $t6, 1

j L9

quit9: #finds C^2XD^3

li $t6, 0

li $s3, 0

L10:

bge $t6, $s1, end

add $s3, $s3, $s7

addi $t6, $t6, 1

j L10

#End of Finding C^2XD^3

end: # perform proper program termination using syscall for exit

#f is $t8

li $t8 , 0

sub $t8, $s5, $t7 # addition

add $t8, $t8, $s0 # subract

sub $t8,$t8, $s4 # subract

#g is $t9

li $t9 , 0

add $t9, $s2, $s3 # addition

#Display

#1st equation

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, decimal # Gives answer in decimal value

syscall # value entered is returned in register $v0

li $v0, 1 # display the answer string with syscall having $v0=1

move $a0, $t8 # moves the value from $a0 into $t8

syscall # value entered is returned in register $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, newLine # puts newLine in between answers

syscall # value entered is returned in register $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, binary # Gives answer in binary

syscall # value entered is returned in register $v0

li $v0, 35

move $a0, $t8 # moves the value from into $a0 from $t8

syscall # value entered is returned in register $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, newLine # puts newLine in between answers

syscall # value entered is returned in register $v0

#2nd equation

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, decimal2 # Gives answer in decimal value

syscall # value entered is returned in register $v0

li $v0, 1 # display the answer string with syscall having $v0=1

move $a0, $t9 # moves the value from $a0 into $t8

syscall # value entered is returned in reg $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, newLine # puts newLine in between answers

syscall # value entered is returned in register $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, binary2 # Gives answer in binary

syscall # value entered is returned in register $v0

li $v0, 35

move $a0, $t9 # moves the value from into $a0 from $t8

syscall # value entered is returned in register $v0

li $v0,4 # display the answer string with syscall having $v0=4

la $a0, newLine # puts newLine in between answers

syscall # value entered is returned in register $v0

#end the program

li $v0, 10

syscall

You have been asked to write a two-page report that explains the extent to which the IT department can configure the cryptographic features of Word 2010. What is the process involved in configuring encryption?

Answers

Answer:Encryption is the process

of translating plain text data into something that appears to be random and meaningless. A symmetric key is used during both the encryption and decryption process. To decrypt a particular piece of ciphertex, the key that was used to encrypt the data must be used.

Types of encryption

1.Symmetric encryption :This is also known as public key encryption. In symmetric encryption, there is only one key, and all communication patties use the same key for encryption and decryption.

2.Asymmetric encryption :This is foundational technology for SSL(TLS)

How encryption is being configured

Encryption uses algorithms to scramble your information. It is then transmitted to the receiving party, who is able to decode the message with a key.

Explanation:

Describe a defense in depth strategy from an Information Systems Manager perspective; for a medium size organization with 3 campuses. There is one main campus and two satellite campuses. Campuses need communications amongst all campuses and remote workers need access to company data and email. Explain the following in your defense in depth strategy with the following concepts:
a.Confidentiality,
b.Integrity,
c.Availability,
d.Information Security,
e.Risk management,
e.Vulnerability management

Answers

Answer:

Explanation:

Confidentiality: This involves the protection of the information from being accessed by unauthorized persons within or outside of the organization as an attempt by an outsider to access it could lead to a breach which may not be easily remedied.

Integrity: This is concerned with ensuring that the information provided to the users are from a reliable source and that the information is not being altered en-route.

Availability: This means that the information is readily accessible to the authorized users. Any attempt for the unavailability of service or information could have been a denial of service (DNS) from an attacker (black hat).

Risk management: This is the understanding of the security threats and their interaction at an individual, organizational or community level. This involves assessment of possible threats as well as vulnerability.

Vulnerability Management: This is a measure taken in reducing the flaws in codes or networks. This is one of the most easily figured out concept from the five above as there are vulnerability scanners for open ports, insecure software configurations as well as susceptibility to malware  infections.

The two mathematical models of language description are generation and recognition. Describe how each can define the syntax of a programming language.

Answers

Answer:

The correct answer to the following question will be "Semantic and Syntax error".

Explanation:

Syntax error:

Corresponds to such a mistake in a pattern sentence structure that is composed in either a specific language of that same coding. Because computer programs have to maintain strict syntax to execute appropriately, any elements of code that would not adhere to the programming or scripting language syntax can result inside a syntax error.

Semantic error:

That would be a logical error. This is because of erroneous logical statements. Write inaccurate logic or code of a program, which results incorrectly whenever the directives are implemented.

So, it's the right answer.

Create a class called Employee that includes three instance variables—a first name (type String), a last name (type String) and a monthly salary (double). Provide a constructor that initializes the three instance variables. Provide a set and a get method for each instance variable. If the monthly salary is not positive, do not set its value. Write a test app named EmployeeTest that demonstrates class Employee’s capabilities. Create two Employee objects and display each object’s yearly salary. Then give each Employee a 10% raise and display each Employee’s yearly salary again.

Answers

Answer:

public class Employee {

   private String Fname;

   private String Lname;

   private double monthlySalary;

   //Constructor

   public Employee(String fname, String lname, double monthlySalary) {

       Fname = fname;

       Lname = lname;

       this.monthlySalary = monthlySalary;

   }

   //Set and Get Methods

   public String getFname() {

       return Fname;

   }

   public void setFname(String fname) {

       Fname = fname;

   }

   public String getLname() {

       return Lname;

   }

   public void setLname(String lname) {

       Lname = lname;

   }

   public double getMonthlySalary() {

       return monthlySalary;

   }

   public void setMonthlySalary(double monthlySalary) {

       if(monthlySalary>0) {

           this.monthlySalary = monthlySalary;

       }

   }

}

public class EmployeeTest {

   public static void main(String[] args) {

       Employee employeeOne = new Employee("Dave","Jones",1800);

       Employee employeeTwo = new Employee("Junely","Peters",1200);

       double empOnecurrentYrSalary =(employeeOne.getMonthlySalary()*12);

               System.out.println("Employee One Yearly salary is " +

               ""+empOnecurrentYrSalary);

       double empTwocurrentYrSalary =(employeeTwo.getMonthlySalary()*12);

       System.out.println("Employee Two Yearly salary is " +

               ""+empTwocurrentYrSalary);

// Incremments of 10%

        double newSalaryOne = empOnecurrentYrSalary+(empOnecurrentYrSalary*0.1);

        double newSalaryTwo = empTwocurrentYrSalary+(empTwocurrentYrSalary*0.1);

       employeeOne.setMonthlySalary(newSalaryOne);

       employeeTwo.setMonthlySalary(newSalaryTwo);

       System.out.println("Employee One's New Yearly Salary is " +

               ""+(employeeOne.getMonthlySalary()));

       System.out.println("Employee Two's New Yearly Salary is " +

               ""+(employeeTwo.getMonthlySalary()));

   }

}

Explanation:

As required by the question Two Java classes are created Employee and EmployeeTest

The required fields, constructor, get and set methods are all created in the Employee class, pay attention to the comments in the code

In the EmployeeTest, two objects of the class are created as required by the question.

The current salaries are printed as initialized by the constructor

Then an increase of 10% is added and the new salary is printed.

Note the use of the setMonthlySalary and getMonthlySalary for the update and display of the salaries respectively

Mary from sales is asking about the plan to implement Salesforce.com's application. You explain to her that you are in the process of getting technical specifications and pricing so that you can move forward with the rollout. This would be part of which of the following plans?
a) IT architecture
b) IT infrastructure
c) System architecture
d) Server upgrade program
e) IT strategy

Answers

Answer:

The correct answer to the following question will be Option b ( IT infrastructure).

Explanation:

This refers to either the integrated devices, applications, network infrastructure, as well as facilities needed by an organization This system to function, run, and maintain.

Your technology infrastructure seems to be the nervous system, which is accountable for supplying end customers with a streamlined operation.Total control of both your operating system infrastructure ensures you can guarantee the channel's safety is tracked.

Therefore, it will be a part of the design of Mary.

Final answer:

The process of getting technical specifications and pricing for the rollout of Salesforce.com's application is a part of the organization's IT strategy, as it involves careful and strategic planning.

Explanation:

When explaining to Mary from sales about the plan to implement Salesforce.com's application, and mentioning the process of getting technical specifications and pricing for the rollout, you are discussing a key component of IT strategy.

This is because the process involves planning for the adoption of a significant system, considering its impact on business processes, and assessing the costs and technical requirements. The implementation of an application such as Salesforce.com usually undergoes careful planning within the broader context of the organization's overall technology plan, aligning with business goals and ensuring sustainability and efficiency in operations.

Other Questions
The College of Business is deciding between two photocopier options. The first is to lease a high-end machine for $8,400/year. The lease is all-inclusive so the only additional costs are the cost of paper, which is $0.01/sheet. The other option is to purchase a machine. The cost is $5,000 and the per sheet cost increases (toner, maintenance) to $0.02.Which option is preferred if the annual copy volume is expected to be 270,000? b. What if the copy volume is reduced to 240,000? c. At what volume is the College indifferent between the two options?What if the copy volume is reduced to 240,000?At what volume is the College indifferent between the two options? 4) Please help, what is the purpose of describing Mrs. Bamjee as having a smile that showed the gap of a missing tooth but was confident all the same? Which of the following is a possible reason to reject utilitarianism? 1. it does not take into account how one's actions might impact the world 2. it only focuses on one's egoistic self interest do 3. it quickly falls into speciesist thinking 4. all of the above 5. none of the above Use values of Ksp for AgI and Kf for Ag(CN)2 to calculate the molar solubility of AgI in pure water, calculate the equilibrium constant for the reaction Agl(s)+2CN(aq)==Ag(CN)2(aq)+I(aq), determine the molar solubility of AgI in a 0.100 M NaCN solution. g Students conducted a survey and found out that 36% of their peers on campus had tattoos but only 4% of their peers were smokers. If 100 students were surveyed, can these students use the Normal approximation to construct a confidence interval for the proportion of students in the population who are smokers? No, because either n p np or n ( 1 p ) n(1p) are greater than 15. Yes, because both n p np and n ( 1 p ) n(1p) are greater than 15. Yes, because both n p np and n ( 1 p ) n(1p) are less than 15. No, because either n p np or n ( 1 p ) n(1p) are less than 15. Identify the statements that CORRECTLY describe the economy of present-day Georgia. Without the guidance of the sociological imagination, we are tempted to attack all problems by focusing on ________. Group of answer choices the poor groups economics elites individuals Within the framework of the Keynesian model, which of the following would most likely occur if the federal government increased its spending and enlarged the size of the budget deficit during a period of full employment What was an outcome of the War of 1812?A.impressment of US soldiersB.unchanged US bordersC.the Embargo ActD.the Nonintercourse ActTRUE AWNSERS ONLY A firm wishes to maintain an internal growth rate of 6.5 percent and a dividend payout ratio of 25 percent. The current profit margin is 6 percent, and the firm uses no external financing sources. What must total asset turnover be? Father Junipero Serra, built what in california? walnuts cost $3.60 per pound and peanuts cost $2.70 per pound. For a fundraiser, the softball team will be selling bags of mixed nuts. How many punds of walnuts and how many pounds of peanuts should the team buy in order to make a 60 pound . ixture that will sell for $3.00 per pound? A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 2.98 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire. -4(x+ 9) = 24i need my homework done lol . Your friend is an intern at the local Department of Health and needs to prepare a report about the recent activity of the influenza virus. She has recorded the number of cases of each type of flu (A, B, and C) over the last several weeks. Write a C program that will calculate the total cases for each week, determine the level of activity for the week (low, moderate, or widespread) and print a report to a file, including a small bar chart for the weekly cases. Ratios equivalent to 3:2 Every weekend during the summer, Bradon's family has a party. They invite over lots of friends and spend time playing games, swimming, and eating barbecue. Now whenever Bradon smells someone cooking barbecue he notices that he feels happy. Identify the unconditioned stimulus. A recently televised broadcast of a popular television show had a 15 share, meaning that among 5000 monitored households with TV sets in use, 15% of them were tuned to the show. A 0.01 significance level is used to test an advertiser's claim that among the households with TV sets in use, less than 20% were tuned in to the show. Find the P-value. Which of these would have seen the MOST trade during the colonial days? Which fungal features supports the phylogenetic conclusion that fungi are more closely related to animals than plants?