Answer:
Since you have not mentioned the way toString method was implemented in your class, I am just providing a sample implementation of it.
Please find the code in file attached.
Explanation:
Please see attached file.
Write two functions called permutation() and combination(), where permutation() computes and returns n!/(n-r)!whereas combination() returns. n!/(n-r)!r!A third function called par_input() gets the input values for n and r. An example of correct program behavior follows: Input: 3 2 Output: The permutation is 6, and the combination is 3.
Answer:
Here is the program in C.
#include<stdio.h> // header file used to input output operations
int permutation(int n, int r); // function to computer permutation
int combination(int n, int r); //function to compute combination
int factorial(int number); // function to computer factorial
void par_input(int n, int r); // function take take input value of n and r
int main() //start of main() function body
{
int n,r; // declare n and r variables
par_input(n,r); //calls par_input() function to get values of n and r
}
int permutation(int n, int r) // method to calculate permutation
{
return factorial(n) / factorial(n-r); //formula for permutation
}
int combination(int n, int r) // method to calculate combination
{
return permutation(n, r) / factorial(r); //formula for combination
}
int factorial(int number) // to find factorial of a number
{
int fact = 1;
while(number > 0) //loop continues until value of number gets <=0
{
fact = fact *number;
number--;
}
return fact;
}
void par_input(int n, int r) //function to take input values
{
printf("Enter n: "); //prompts user to enter the value of n
scanf("%d", &n); //reads the value of n from user
printf("Enter r: "); ////prompts user to enter the value of r
scanf("%d", &r); //reads the value of r from user
//calls the combination and permutation methods to display results
printf("The permutation is = %d\n", permutation(n, r));
printf("The Combination is = %d", combination(n, r));
}
Explanation:
The main() function calls par_input() function. This function asks user to enter values of n and r and then calls permutation() and combination() methods to compute the combination and permutation using these input values. Lets say user enters n=3 and r=2The permutation() function computes and returns permutation using the following formula: n! / (n-r)! factorial(n) / factorial(n-r); This function calls factorial method which calculates the factorial of n and n-r.This function then returns the permutation.3! / (3-2)! = 3*2*1 / 1! = 6Next the combination() function computes and returns combination using the following formula: n! / r! * (n - r)!permutation(n, r) / factorial(r)This function calls permutation() and factorial() methods which calculate the combination of n and n-rThis function then returns the combination.3! / 2! * (3-2)! = 3*2*1 / 2*1 * 1 = 6 / 2 = 3 Factorial function computes and returns the factorial of n, r and n-r.Lets take n! When n=3 So this function computes factorial as follows:while loops checks if number>0 It is true as number is 3It multiplies 3 by fact. fact is initialized to 1 So1*3 = 3Then it decreases number=3 by 1 so number=2Now while loops checks if number>0 It is true as number is 2It multiplies 2 by fact. Value of fact is now 3 So3*2 = 6Then it decreases number=2 by 1 so number=1Now while loops checks if number>0 It is true as number is 1It multiplies 1 by fact. Value of fact is now 6 So6*1 = 6Then it decreases number=1 by 1 so number=0Now while loops checks if number>0 It is false as number is 0So the loop breaks and the value of fact is returned.As fact= 6 So factorial of n is 6.The output of the program is attached in the screen shot.
Design the logic and write the Java code that will use assignment statements to: Calculate the profit (profit) as the retail price minus the wholesale price Calculate the sale price (salePrice) as 25 percent deducted from the retail price Calculate the sale profit (saleProfit) as the sale price minus the wholesale price.
Answer:
Logic:
profit = retailPrice - wholeSalePrice
salePrice = retailPrice - (0.25 * retailPrice)
saleProfit = salePrice - wholeSalePrice
Java code:
double retailPrice, wholeSalePrice;
double profit = retailPrice - wholeSalePrice;
double salePrice = retailPrice - (0.25 * retailPrice);
double saleProfit = salePrice - wholeSalePrice;
Explanation:
The logic just represented the words in equation format. That is, profit is retailPrice minus wholesaleprice.
SalePrice is 25% deducted from retail price.
SaleProfit is saleprice minus wholesaleprice.
The whole logic is then represented in Java assignment statement using type double.
Create a class Circle with one instance variable of type double called radius. Then define an appropriate constructor that takes an initial value for the radius, get and set methods for the radius, and methods getArea and getPerimeter.
public class Circle {
// the private data members
private double radius;
private double area;
private double diameter;
public void setRadius(double r)
{
radius = r;
}
public double getRadius()
{
return radius;
}
public double computeDiameter()
{
return radius * 2;
}
public double computeArea()
{
return ((radius * radius) * 3.14);
}
}
When your phone sends/receives text messages (specifically using SMS), the total data sent/received contains more than just your 160-character message. What is an example of this additional data, and why is it included
An SMS is a short code that is used by businesses to opt in consumers to their SMS programs, and then used to send text message coupons, offers, promotions to those customers that had previously opted.
Explanation:
When Someone tries to call you, the tower sends your phone a message over the control channel that tells your phone to play its ringtone. The tower gives your phone a pair of voice channel frequencies to use for the call.
The MMS and other data driven services works on the fundamental voice network and is based on the big three GSM, CDMA and TDMA network technologies. The SMS allows text messages of 160 characters (letters, numbers and symbols).
The text messaging is an act of composing and sending electronic messages consist of alphabetic and numeric character between two or more more mobile devices.
SMS stands for short messaging service, it refers to a protocol that is used for sending short messages over wireless networks.
SMS works on the fundamental principle voice network, and is based on the three big technologies (i.e. GSM, CDMA and TDMA) which makes it a universal service.
Explanation:
Data SMS messages are sent through the data network, using the 2G / 3G/4G data connection.
A perfect example for data SMS use is when your recipient has pay to receive the text message even though they may have unlimited texting. By using a data SMS service, all extra charges are avoided and the amount of data used by SMS messages is insignificant compared to even lite web page viewing.
Data SMS messages are sent not only through the data network (over your 2G / 3G data connection), but also through GSM as Text SMS.
The PDU of a text message has a User Data Headers (UDH) that defines a specific port on a handset
Write a function addOddMinusEven that takes two integers indicating the starting point and the end point. Then calculate the sum of all the odd integers minus the sum of all even integers between the two points. The calculation includes the starting point but excludes the end point. You can always assume the starting point is smaller than the end point.
Answer:g
public static int addOddMinusEven(int start, int end){
int odd =0;
int even = 0;
for(int i =start; i<end; i++){
if(i%2==0){
even = even+i;
}
else{
odd = odd+i;
}
}
return odd-even;
}
}
Explanation:
Using Java programming language:
The method addOddMinusEven() is created to accept two parameters of ints start and endUsing a for loop statement we iterate from start to end but not including endUsing a modulos operator we check for even and oddsThe method then returns odd-evenSee below a complete method with a call to the method addOddMinusEven()public class num13 {
public static void main(String[] args) {
int start = 2;
int stop = 10;
System.out.println(addOddMinusEven(start,stop));
}
public static int addOddMinusEven(int start, int end){
int odd =0;
int even = 0;
for(int i =start; i<end; i++){
if(i%2==0){
even = even+i;
}
else{
odd = odd+i;
}
}
return odd-even;
}
}
When you type into a basic search engine like Google, Bing, or Yahoo!, the sites that appear at the top or on the side of the results page are usually those that ________.
The sites that appear at the top or on the side of the results page are usually those that have paid for there presence on the home page.
Explanation:
It takes a fortune to list on the top or side of the search engine's result page (SERP). Presence on the top or side of the result page guarantees enhanced visibility and increased conversion chances.
The web content masters who are in the need of such strategic advantage often pay for it. The search engine such as Google, Yahoo charges them based on their preferences, content length and the target region. However, with adequate search optimisations, one can make his/her site appear on top in the search page list.
Write a method swapPairs that switches the order of values in an ArrayList of Strings in a pairwise fashion. Your method should switch the order of the first two values, then switch the order of the next two, switch the order of the next two, and so on. For example, if the list initially stores these values: {"four", "score", "and", "seven", "years", "ago"} your method should switch the first pair, "four", "score", the second pair, "and", "seven", and the third pair, "years", "ago", to yield this list: {"score", "four", "seven", "and", "ago", "years"} If there are an odd number of values in the list, the final element is not moved. For example, if the original list had been: {"to", "be", "or", "not", "to", "be", "hamlet"} It would again switch pairs of values, but the final value, "hamlet" would not be moved, yielding this list: {"be", "to", "not", "or", "be", "to", "hamlet"}
Answer:
public static void swapPairs(ArrayList strList)
{
for(int i = 0; i < strList.size() - 1; i += 2)
{
String temp1 = strList.get(i);
String temp2 = strList.get(i + 1);
strList.set(i, temp2);
strList.set(i + 1, temp1);
}
}
Explanation:
Given the following function header, compose a C++ programming statement that calls the function, passing the value 15 as an argument and assigning its return value to a variable named result.
int doubleIt(int value)
Answer:
"int result= doubleIt(15);" is the correct answer for the above question
Explanation:
The function in a c++ programming is used to perform some specific tasks for the user. If a user wants to use any function, Then there is needs to do three things, which are as follows:-Firstly, there is needs to give the prototype for any function,Then there is a needs to define the function body.Then there is needs to call the function The function can be called by the help of " data_type variable_name = function_name (argument_list);" syntax in c++."When an interrupt or a system call transfers control to the operating system, a kernel stack area separate from the stack of the interrupted process is generally used. Why?"
Answer:
Explanation:
There are two reasons, first, the operating system could be blocked because a program with poorly written user program does not allow for enough stack space.
Second, the kernel can leave data in the user memory of a program, and this data can be used for another user to get another delicate information.
___________ increases the availability of systems even when an isolated outage occurs, while ___________ provides the procedures to recover systems after a major failure.
Answer:
Fault tolerance increases the availability of systems even when an isolated outage occurs, while disaster recovery provides the procedures to recover systems after a major failure.
Explanation:
There are two main properties of the system that should be under consideration while designing or deploying a system. fault tolerance and disaster recovery are the two important properties of the system.
In Fault tolerance, a system should be deigned as if some parts or components of the system will fail or not working properly, the system should work smoothly with the help of some alternate components or devices. This is called fault tolerance.
In Disaster recovery, a system should be able to overcome or restarts it working in case of some disaster. This feature enables the system to start its working after recovering from the disaster.
Look at the following array definition. char str[10]; Assume that name is also a char array, and it holds a C-string. Write code that copies the contents of name to str if the C-string in name is not to big to fit in str.
Answer:
if(strlen(name)<=9)
strcpy(str,name);
Explanation:
In the above chunk of code, IF condition is used which checks if the length of the array name is less than or equals to 9.
This means that in order to copy the contents of name array to str array the string contained in name should not be larger than the length of the str. The length of str is given which is 10.
So strlen() function returns the length of the string in the name array and if this length is less than or equal to 9 then the If condition evaluates to true and the next line strcpy(str,name); is executed which copies the contents of name array to the str array.
strcpy() function is used to copy the string contents from source to destination. Here the source is the name array and the destination is str array.
If you want to see the output then you can enter some contents into the name array as follows:
#include <iostream>
#include <string.h>
using namespace std;
int main()
{
char str[10];
char name[]={'a','b','c','d','e','f','g','h','i'};
if(strlen(name) <= 9)
strcpy(str,name);
cout<<str;
}
This program has two array str of length 10 and name[] array contains 9 characters. These contents are copied to the str array if the length of the name array is less than or equal to 9, which is true, so the ouput is:
abcdefghi
Your company wants to conduct an exploratory study to gain new insights into some product changes you are considering. Which type of research method would be most appropriate for this exploratory study?
Final answer:
For an exploratory study regarding product changes, ethnographic field research, informal interviews, and content analysis are ideal research methods. They provide in-depth understanding, are flexible, and can uncover unexpected insights into consumer behavior, preferences, and product perceptions.
Explanation:
If your company is considering product changes and wants to conduct an exploratory study to gain new insights, choosing the appropriate research method is crucial. For an exploratory study, ethnographic field research, informal interviews, and content analysis can be particularly beneficial. These methods allow for in-depth understanding and are highly adaptive, providing the flexibility to explore unforeseen aspects that may arise during the process.
Ethnographic field research immerses the researcher in the environment of the subjects, leading to comprehensive insights into consumer behavior and product interaction in natural settings. Informal interviews can yield nuanced information about user experiences and expectations. Content analysis of social media, forums, and customer feedback can uncover trends and sentiments about the products in question. These methods are suited for exploratory research because they do not require firm hypotheses and are capable of revealing unexpected aspects of the research subject that structured methods such as surveys might miss.
While these research methods can offer rich, qualitative data, it is important to consider their limitations, such as potential biases, non-representative samples, and the interpretation of results, which can be subjective. Nevertheless, for gaining initial insights and a deeper understanding of user perspectives regarding product changes, they are very appropriate choices for an exploratory research design.
Final answer:
Exploratory research using advisory boards, insights from knowledgeable individuals, and carefully selected surveys is the most appropriate method for a company to gain new insights into product changes.
Explanation:
For a company seeking to gain new insights into product changes, exploratory research is the most appropriate research method.
This type of research is suitable for the early stages of a project, particularly when little prior research exists or when the company wants to understand the feasibility of a more extensive study. Two effective methods within exploratory research could include forming an advisory board with target audience members or gathering insights from individuals with close contacts to the target audience.
Additionally, surveys can be useful in exploratory research to assess individual reactions or opinions towards product changes, but it is crucial to select respondents who have adequate knowledge and unbiased perspectives, especially when dealing with perceptions or team dynamics at work.
It is important for security practitioners to take into consideration the __________ element when devising password security policies to ensure confidentiality.
Answer:
The answer is "Evidence".
Explanation:
A "practitioner" is a person that has a specific practice or specialty directly involved. A safety professional of data is indeed another who engages in the protection of data.
Evidence is used in the course of the investigation to show certain material information or characteristics of a felony. Most people seem to believe that proof is just tangible, verbal evidence.
g The machine in the problem has a byte-addressable memory of 216 bytes. The direct-mapped cache consists of 32 cache blocks, and the cache block size is 8 bytes. Question 1 How is the 16-bit memory address divided into byte offset, cache index, and tag? Question 2 What is the capacity of the cache in bytes? Question 3 Why tag is also stored in the cache? Question 4 For the following four memory addresses, what cache block would each be mapped to? 0001 0001 0001 1011 1100 0011 0011 0100 1101 0000 0001 1101 1010 1010 1010 1010
Final answer:
The 16-bit memory address is divided into 3 bits for byte offset, 5 bits for cache index, and 8 bits for tag. The direct-mapped cache has a capacity of 256 bytes. Tags in the cache help in verifying the data's integrity for proper retrieval, and the specific block each address maps to has been calculated based on the cache index.
Explanation:
Direct-Mapped Cache Addressing
To answer your questions regarding the direct-mapped cache and addressing, we must first divide the 16-bit memory address into three parts: byte offset, cache index, and tag.
Question 1: The memory address is divided as follows:
Byte offset (needed to select one byte from the 8-byte cache block): 3 bits
Cache index (to select one cache block from the 32 blocks): 5 bits
Tag (remaining bits after removing index and offset): 8 bits
Question 2: The capacity of the cache is the product of the number of cache blocks and the size of each block, which is 32 blocks × 8 bytes/block = 256 bytes.
Question 3: The tag is stored in the cache to identify which block of memory is currently stored in a cache line. It ensures the correct data is retrieved.
For the given memory addresses, the cache block they would be mapped to is as follows:
0001 0001 0001 1011 - Cache Block: 3
1100 0011 0011 0100 - Cache Block: 20
1101 0000 0001 1101 - Cache Block: 29
1010 1010 1010 1010 - Cache Block: 10
Note that we are using block numbers starting from 0.
Write a Python function powerSet() that takes in a finite list object A and returns P(A), the power set of A. The output should be only in the form of list objects. Note: Make sure you are familiar with some of Python's basic built-in list functions and operators, as they will make completing this problem far easier. For example:
Answer:
#Code segment is written in Python Programming Language
#define Powerset(A)
def Powerset(A):
#Calculate length
Length = len(A)
#iterate through A
masks = [1 << count for count in range(A)]
for count in range(1 << Length):
yield [xy for mask, xy in zip(masks, A) if count & mask]
#Print Powerset
print(list(powerset([1,2,3])))
Explanation:
Line 1 defines the powerset
Line 2 calculates the length
Line 3 gets a range of the power set from 1 to the last
Line 4 checks if the iteration variable is still within range
Line 5 generates the Powerset
The essence of using the yield keyword is to ensure that one do not need to calculate all results in a single piece of memory.
Line 6 is to do the test code.
Tiny College wants to keep track of the history of all its administrative appointments, including dates of appointment and dates of termination. ( Time-variant data are at work.) The Tiny College chancellor may want to know how many deans worked in the College of Business between January 1, 1960, and January 1, 2012, or who the dean of the College of Education was in 1990. Given that information, create the complete ERD that contains all primary keys, foreign keys, and main attributes.
Answer:
See attached pictures for ERD.
Explanation:
See attached pictures for explanation.
Which of the following statement is true?
a. the MAC address cannot be spoofed
b. the IP address can be spoofed, so if you want to read response from the deceived party, you can use
c. IP spoofing to hide yourself IP spoofing can be used for denial of service attack
d. IP spoofing can be prevented or detected by switches
Answer:
b. the IP address can be spoofed, so if you want to read response from the deceived party, you can use IP spoofing to hide yourself.
Explanation:
Purpose Your goal is to create a design for a software interface. You will experience the scope of the design process from brainstorming ideas and gathering information about users’ needs to storyboarding, prototyping, and finally, testing and refining your product.As you work on the software interface, you will demonstrate your ability to apply fundamental Human-Computer Interaction principles to interface analysis, design, and implementation. You will be responsible for delivering project components to your professor at several points during the course. Action Items A lo-fi prototype shows all the elements of a user interface, drawn out on paper, notecards, or cardboard. Its purpose is to get quick feedback from users early in the design process when changes are still easy and relatively inexpensive to make. You can use a lo-fi prototype to identify usability issues such as confusing paths, bad terminology, layout problems, and missing feedback. Watch the Hanmail paper prototyping video to see an example. Please note that your paper prototype does not need to be as extensive as the one shown in the video.Your prototype should allow people to navigate from screen to screen, recover from errors, and change their choices. Show sketches of all the important areas of your design. Don’t try to show every possible action or detail. Focus on the main interactions. Remember, this is hand-drawn so that you can make changes quickly and easily if you get a better idea. Keep track of what you changed and why. Refer to the Lo-Fi Prototype Rubric to self-evaluate your work and edit as needed.
Answer:
1) Problem The social media is now commonly used regardless of the person's age. Even to this day newborns have their social media account. We hit the saturation point in using social media like 24x7 and remaining linked.
The main issue is that we go far away from actually socializing with our relatives and with them. The interpretations and roles are the or weakening those with us towards the families even before social networking does occur!
Another issue with this is also less exercise, less body movement, which allows us sneaky in everyday life, less common outdoor games. Our physical strength makes us frail.
2) Why it's interesting It is an interesting topic because social networks is involved as most of us (nearly everyone) are linked to social media. It has its pros and drawbacks as well, and we only look at the positive side of it.
3) Main users impacted I think this affects all users (almost the entire human race) if they do it correctly. It is a very broad concept but we focus on it only to a very tiny level and make the best use of it to make our selves more safe than before.
4) Current Approaches We will create a mobile phone app to track all of the leisure activities with different social networks as we do.
To avoid using it, we should set the correct limits by ourselves. We enable our brains do that often and most of the time we struggle.
So our app will set the boundaries here and push us to stop communicating with social networks.
For instance we can establish a data cap of 500.
5)Shortcomings and Effectiveness of Current Approaches Effectiveness of such a current method is quite easy to avoid being linked to social media as long as you start yourself.
You'll also spend a little time with relatives because it was your main objective to do this.
You may also read some other books in these extra hours, or do something artistic.
Shortcomings: I don't see any drawbacks of this problem approach so far, although one can't be linked to social media has given him a little less status update for others.
6) Key purpose of the project The main goal of this project is to restrict one self to start connecting with social media all the time and spare time with your family, mates, reading great books.
1i) Standardize 'weight' column Write a function named standardize_weight that takes in as input a string and returns an integer. The function will do the following (in the order specified): 1) convert all characters of the string into lowercase 2) strip the string of all leading and trailing whitespace 3) replace any occurences of 'lbs' with '' (remove it from the string) 4) replace any occurences of 'lb' with '' (remove it from the string)
Answer:
import numpy as np
def standardize_weight(inp):
#1
inp=inp.lower()
print(inp)
#2
inp=inp.strip()
print(inp)
#3
inp=inp.replace("lbs"," ")
print(inp)
#4
inp=inp.replace("lb"," ")
print(inp)
#5
inp=inp.replace("pounds"," ")
print(inp)
print(inp.find("kg"))
#6
if(inp.find("kg")>=0):
inp=inp.replace("kg"," ")
print(inp)
inp_int=int(inp)
print(inp_int*2)
inp=str(inp_int)
print(inp)
#7
inp=inp.strip()
print(inp)
#8
if(inp.isdigit()):
inp=int(inp)
#9
else:
inp=np.nan
res=standardize_weight(" List albkg repLacleg sublkg " )
Explanation:
Using a while loop, write a code that will continue to calculate the following equation until the solution gets to be above 100, x will start at zero. What is the final solution and how many iterations does it take to complete (prob05) as a row vector.
Answer:
prob05.m
clc
x=0;
sum=0;
iteration=0;
while (sum<100)
x=2*x+1;
sum=sum+x;
x=x+1;
iteration=iteration+1;
end
fprintf('total iteraton take to sum greater than 100 is %d and sum becomes %d\n',iteration,sum);
Explanation:
In MasterMind, one player has a secret code made from a sequence of colored pegs. Another player tries to guess the sequence. The player with the secret reports how many colors in the guess are in the secret and also reports whether the correct colors are in the correct place. Write a function report(guess, secret) that takes two lists and returns a 2-element list [number_right_ place, number_wrong_place] As an example, If the secret were red-red-yellow-yellow-black and the guess were red-red-red-green-yellow, then the secret holder would report that the guess identified three correct colors: two of the reds, both in the correct place, and one yellow, not in the correct place. In []: guess
Answer:
#Python Program to solve the above illustration
# Comments are used for explanatory purpose
# define a function named game that take two parameters, player1 and player2
def Game(player1, player2):
# Record score
Score = [0, 0]
# Count trials
Trials = []
# Compare player1 guess with player2 hidden items
for i in range(len(player2)):
if player2[i]==player1[i]:
Trials.append(i)
#The above is done if player1 guessed correctly
#increase score by 1 below
Score[0] += 1
# Calculate trials and scores
for i in range(len(player2)):
for j in range(len(player2)):
if (not(j in Trials or i in Trials)) and player2[i]==player1[j]:
Score[1] += 1
Trials.append(j)
# Output scores
return Score
#Test program below
In []: player1 = ['yellow','yellow','yellow','blue','red']
In []: player2 = ['yellow','yellow','red','red','green']
In []: Game(player1, player2)
In this assignment, you will model the game of Bulgarian Solitaire. The game starts with 45 cards. (They need not be playing cards. Unmarked index cards work just as well.) Randomly divide them into some number of piles of random size. For example, you might start with piles of size 20, 5, 1, 9, and 10. In each round, you take one card from each pile, forming a new pile with these cards. For example, the sample starting configuration would be transformed into piles of size 19, 4, 8, 10, and 5. The solitaire is over when the piles have size 1, 2, 3, 4, 5, 6, 7, 8, and 9, in some order. (It can be shown that you always end up with such a configuration.)
In your program, produce a random starting configuration and print it. Then keep applying the solitaire step and print the result. Stop when the solitaire final configuration is reached.
Use the following class as your main class:
import java.util.ArrayList;
import java.util.Random;
public class BulgarianSolitaire
{
private ArrayList piles;
/**
Sets up the game randomly with some number of piles of random
size. The pile sizes add up to 45.
*/
public void setupRandomly()
{
. . .
}
/**
This method can be used to set up a pile with a known (non-random)
configuration for testing.
@param pileSizes an array of numbers whose sum is 45
*/
public void setup(int[] pileSizes)
{
piles = new ArrayList();
for (int s : pileSizes)
piles.add(s);
}
public String getPiles()
{
return piles.toString();
}
/**
Play the game.
*/
public void play()
{
while (!isDone())
{
System.out.println(getPiles());
playRound();
}
System.out.println(getPiles());
}
/**
Play one round of the game.
*/
public void playRound()
{
. . .
}
/**
Checks whether the game is done.
@return true when the piles have size
1, 2, 3, 4, 5, 6, 7, 8, and 9, in some order.
*/
public boolean isDone()
{
. . .
}
}
Sample run:
13 4 6 6 10 6
6 12 3 5 5 9 5
7 5 11 2 4 4 8 4
8 6 4 10 1 3 3 7 3
9 7 5 3 9 2 2 6 2
9 8 6 4 2 8 1 1 5 1
10 8 7 5 3 1 7 4
8 9 7 6 4 2 6 3
8 7 8 6 5 3 1 5 2
9 7 6 7 5 4 2 4 1
9 8 6 5 6 4 3 1 3
9 8 7 5 4 5 3 2 2
9 8 7 6 4 3 4 2 1 1
……….
9 8 7 6 4 5 3 2 1
9 8 7 6 5 3 4 2 1
9 8 7 6 5 4 2 3 1
9 8 7 6 5 4 3 1 2
9 8 7 6 5 4 3 2 1
Number of iterations: 52
Answer:
note:
solution is attached in word form due to error in mathematical equation. furthermore i also attach Screenshot of solution in word due to different version of MS Office please find the attachment
Which soft skill involves the ability to produce ideas that will give an organization an advantage with respect to other organizations?
A.
conflict resolution
B.
strategic thinking
C.
presentation skills
D.
teamwork
B. Strategic thinking
Explanation:
Strategic thinking helps to come up with great ideas that makes the company better than the other company. One can apply strategic thinking to arrive at decisions that can be related to your work or personal life. Strategic thinking involves developing an entire set of critical skills. Strategic thinking enables a business owner to determine how to use these resources most effectively and advance the company toward its objectives. Strategic thinking focuses the management team on markets that are most likely to succeed.
A user is unable to install virtualization software on a Windows 8.1 computer. The user verified the host has sufficient RAM, plenty of available free disk space, and a multicore processor.
Which of the following is the most likely cause for this behavior?
a. Windows 8.1 does not support Type 2 hypervisors.
b. The motherboard does not support hardware-assisted virtualization.
c. The user does not have a valid product license key.
d. The system is incompatible with Type 1 hypervisors.
Answer:
The correct option is C. The user does not have a valid product license key. Both the OS installed on the bare metal (that the host) and the client OS must have a valid license key.
Explanation:
There is a powerful virtualization tool is built into every copy of Microsoft Windows 8.x Pro and Windows 8.x Enterprise, Client Hyper-V.
This is the very same Type-1 hypervisor that runs virtualized enterprise workloads and comes with Microsoft Windows Server 2012 R2. The virtual machines you create on your desktop with Client Hyper-V are fully compatible with those server systems as well.
If you need to do testing as a software developer, or simply want an additional operating system(s) running on your computer, such as Linux, Hyper-V can be a great feature to have enabled on your PC.
To have the Hyper-V feature on your PC, you'll need to meet some basic requirements like your computer will need 4GB of RAM with a 64-bit processor that has Second Level Address Translation (SLAT).
Many PCs on the market have this feature, while many PC BIOSes have virtualization features turned on by default, your PC might not.
As BIOS menu layouts are not universal, you'll want to consult your PC BIOS documentation as to where the feature is located in your firmware setup and what it is called.
a. Windows 8.1 does not support Type 2 hypervisors.
This option is wrong. All 64-bit Windows 8.1 OS except for the Home version supports hypervisors type 2 as well as type 1
b. The motherboard does not support hardware-assisted virtualization.
Most of the PC that can run Windows 8.1 has visualization, all that is needed is to have it enabled if it was it enabled by default in the BIOS
c. The user does not have a valid product license key.
This is the correct answer. For you to successfully install visualization software on Windows 8.1, both the host OS and the client OS must have a valid product key
d. The system is incompatible with Type 1 hypervisors.
This option is wrong. The Windows 8.1 OS does not only support the installation of visualization software, it came with its hypervisor called Hyper-V.
convert the following c code to mips. assume the address of base array is associated with $s0, n is associated with $s1, position is associated with $t0, c is associated with $t1, d is associated with $t2, and swap is associated with $t3 for (c
Answer:
Explanation:
hello we will follow a step by step process for this code, i hope you find it easy.
Mips Equivalent code:
sw $0,0($fp)
.L7:
lw $2,12($fp)
addiu $2,$2,-1
lw $3,0($fp)
slt $2,$3,$2
beq $2,$0,.L2
nop
lw $2,0($fp)
sw $2,8($fp)
lw $2,0($fp)
addiu $2,$2,1
sw $2,4($fp)
.L5:
lw $3,4($fp)
lw $2,12($fp)
slt $2,$3,$2
beq $2,$0,.L3
nop
lw $2,8($fp)
dsll $2,$2,2
daddu $2,$fp,$2
lw $3,24($2)
lw $2,4($fp)
dsll $2,$2,2
daddu $2,$fp,$2
lw $2,24($2)
slt $2,$2,$3
beq $2,$0,.L4
nop
lw $2,4($fp)
sw $2,8($fp)
.L4:
lw $2,4($fp)
addiu $2,$2,1
sw $2,4($fp)
b .L5
nop
.L3:
lw $3,8($fp)
lw $2,0($fp)
beq $3,$2,.L6
nop
lw $2,0($fp)
dsll $2,$2,2
daddu $2,$fp,$2
lw $2,24($2)
sw $2,16($fp)
lw $2,8($fp)
dsll $2,$2,2
daddu $2,$fp,$2
lw $3,24($2)
lw $2,0($fp)
dsll $2,$2,2
daddu $2,$fp,$2
sw $3,24($2)
lw $2,8($fp)
dsll $2,$2,2
daddu $2,$fp,$2
lw $3,16($fp)
sw $3,24($2)
.L6:
lw $2,0($fp)
addiu $2,$2,1
sw $2,0($fp)
b .L7
nop
cheers i hope this helps
Convert C code to MIPS assembly using registers for array operations and loops, implementing selection sort for efficient sorting of array elements.
To convert the given C code snippet to MIPS assembly, we need to translate each part of the algorithm into MIPS instructions while considering the provided register assignments.
1. Initialization:
-Registers: `$s0` holds the base address of the array, `$s1` holds `n`, `$t0` holds `position`, `$t1` holds `c`, `$t2` holds `d`, and `$t3` holds `swap`.
2. Outer Loop (`for c`):
- Use a label (`outer_loop`) to mark the start of the outer loop.
- Initialize `c` to `0` and check if `c < n - 1`.
- Increment `c` after each iteration.
3. Inner Loop (`for d`):
- Inside the outer loop, set `position` to `c`.
- Use another label (`inner_loop`) to mark the start of the inner loop.
- Initialize `d` to `c + 1` and check if `d < n`.
- Compare `array[position]` with `array[d]` and update `position` if `array[d]` is smaller.
4.Swap Condition:
- After the inner loop, check if `position` is not equal to `c`.
- If true, swap `array[c]` and `array[position]` using `$t3` (`swap`) as a temporary register.
5. Assembly Code:
assembly
# Register assignments:
# $s0 - base address of array
# $s1 - n
# $t0 - position
# $t1 - c
# $t2 - d
# $t3 - swap
# Outer loop (for c)
li $t1, 0 # c = 0
outer_loop:
blt $t1, $s1, end_outer_loop # if c >= n, exit outer loop
# Inner loop (for d)
move $t0, $t1 # position = c
addi $t2, $t1, 1 # d = c + 1
inner_loop:
blt $t2, $s1, end_inner_loop # if d >= n, exit inner loop
# Load array[position] and array[d]
lw $t4, 0($s0) # $t4 = array[position]
lw $t5, 0($s0)($t2) # $t5 = array[d]
# Compare array[position] > array[d]
bgt $t4, $t5, update_position
j next_iteration_inner_loop
update_position:
move $t0, $t2 # position = d
next_iteration_inner_loop:
addi $t2, $t2, 1 # d++
j inner_loop
end_inner_loop:
# Swap if position != c
bne $t0, $t1, swap_elements
j next_iteration_outer_loop
swap_elements:
lw $t3, 0($s0)($t1) # $t3 = array[c]
lw $t4, 0($s0)($t0) # $t4 = array[position]
# Swap array[c] and array[position]
sw $t4, 0($s0)($t1) # array[c] = array[position]
sw $t3, 0($s0)($t0) # array[position] = swap
next_iteration_outer_loop:
addi $t1, $t1, 1 # c++
j outer_loop
end_outer_loop:
- Explanation: The MIPS assembly code mirrors the logic of the C code by using load (`lw`) and store (`sw`) instructions to access array elements, branches (`bgt`, `bne`, `blt`) for conditional logic, and loops (`j`) to control flow. It effectively implements the selection sort algorithm to sort the array in ascending order.
- Efficiency: This implementation efficiently sorts the array in-place using O(n^2) time complexity, suitable for moderately sized arrays given the constraints of MIPS architecture.
Complete Question;
convert the following c code to mips. assume the address of base array is associated with $s0, n is associated with $s1, position is associated with $t0, c is associated with $t1, d is associated with $t2, and swap is associated with $t3 for
for ( c = 0 c < (n - 1) c++)
{
position = c
for ( d = c + 1 d < n d ++)
{ if (array[position] > array[d])
position = d
}
if (position != c)
{
swap array[c];
array[c] = array[position];
array[position] = swap;
}
}
Define a method named roleOf that takes the name of an actor as an argument and returns that actor's role. If the actor is not in the movie return "Not in this movie.". Ex: roleOf("Tom Hanks") returns "Forrest Gump". Hint: A method may access the object's properties using the keyword this. Ex: this.cast accesses the object's cast property.
Final answer:
The 'roleOf' method within a Movie class should return an actor's role by accessing the 'cast' property using 'this'. If the actor isn't in the cast list, it returns 'Not in this movie.'.
Explanation:
The question refers to defining a method within an object in a programming context. The method roleOf should take an actor's name as an argument and return the corresponding role of that actor within a movie object. If the actor's name does not match any within the movie object's cast, it should return 'Not in this movie.'.
To implement this, we can assume there is an object representing a movie with a property, perhaps called cast, which would be an associative array or dictionary linking actors to their respective roles. The use of the keyword this is essential as it will allow the method to access properties of the object it belongs to.
Here's a hypothetical example of how this might be structured within a class or object literal:
class Movie {
constructor() {
this.cast = {
'Tom Hanks': 'Forrest Gump',
// ...other actors and their roles
};
}
roleOf(actorName) {
return this.cast[actorName] || 'Not in this movie.';
}
}
In this example, a movie object's roleOf method would check the cast property for the provided actor's name as the key, and if found, return the associated role; otherwise, it returns the string indicating the actor is not in the movie.
The student is asked to define a method called 'roleOf' that returns an actor's role in a movie object or indicates if the actor is not in the movie. In a programming context, this involves accessing an object's properties using 'this', and the method would be part of an object that includes the cast list.
Explanation:The question is asking to define a method in programming which determines the role of an actor in a movie. For example, if you call roleOf("Tom Hanks"), it should return "Forrest Gump" if Tom Hanks plays Forrest Gump in the context of the method's movie object. If the actor is not found in the movie cast, the method should return "Not in this movie."
To implement this method, you would need access to an object that contains a property, perhaps named cast, where actor names are associated with their respective roles. In JavaScript, this could be an object with keys as actor names and values as their roles. The method roleOf would use the this keyword to access the cast property from the same object and look up the role associated with the provided actor's name.
Here is a simple example in JavaScript:
function Movie() {The Movie function acts as a constructor for movie objects, each of which has a cast property and a roleOf method. When called, the method checks if the actor's name is a key in the cast object, and if it is, returns the associated role. If not, it returns the string "Not in this movie."
Consider the series of alternating 1s and 0s 1 0 1 0 1 0 1 0 1 0 ...... The user will enter a number n . And you have to output the first n numbers of this sequence (separated by spaces) You may assume the user will enter n > 0 and an integer using two if statements
Answer:
# user is prompted to enter the value of n
n = int(input("Enter your number: "))
# if statement to check if n > 0
if (n > 0):
# for-loop to loop through the value of n
for digit in range(1, (n+1)):
# if digit is odd, print 1
if((digit % 2) == 1):
print("1", end=" ")
# else if digit is even print 0
else:
print("0", end=" ")
Explanation:
The code is written in Python and is well commented.
A sample output of the code execution is attached.
Consider the following code segment: class Fruit : _type = "Fruit" def __init__(self, color) : self._color = color What is the name of the class variable?
Answer:
_type is the correct answer for the above question
Explanation:
The class variable is a variable that is defined in the class and the instance variable is defined in the constructor of the class using the self keyword.The class variable is used as the static variable, but the instance variable is called by the help of objects only.The above program holds only one class variable which is "_type" because it is defined in the class.Design a Geometry class with the following methods: A static method that accepts the radius of a circle and returns the area of the circle. Use the following formula: A r e a = π r 2 Use Math.PI for π and the radius of the circle for r. A static method that accepts the length and width of a rectangle and returns the area of the rectangle. Use the following formula: A r e a = L e n g t h × W i d t h A static method that accepts the length of a triangle’s base and the triangle’s height. The method should return the area of the triangle. Use the following formula: A r e a = B a s e × H e i g h t × 0.5 The methods should display an error message if negative values are used for the circle’s radius, the rectangle’s length or width, or the triangle’s base or height. Next, write a program to test the class, which displays the following menu and responds to the user’s selection: Geometry Calculator 1. Calculate the Area of a Circle 2. Calculate the Area of a Rectangle 3. Calculate the Area of a Triangle 4. Quit Enter your choice (1-4): Display an error message if the user enters a number outside the range of 1 through 4 when selecting an item from the menu.
Answer:
Geometry class
public static class Geometry {
public static double areaOfCircle(double radius) {
return Math.PI * radius * radius;
}
public static double areaOfRectangle(double length, double width) {
return length * width;
}
public static double areaOfTriangle(double base, double h) {
return base * h * 0.5;
}
}
Main and user menu choice method\
public static void main(String[] args) {
int choice; // The user's menu choice
do {
// Get the user's menu choice.
choice = getMenu();
if (choice == 1) {
calculateCircleArea();
} else if (choice == 2) {
calculateRectangleArea();
} else if (choice == 3) {
calculateTriangleArea();
} else if (choice == 4) {
System.out.println("Thanks for calculating!");
}
} while (choice != 4);
}
public static int getMenu() {
int userChoice;
// keyboard input
Scanner keyboard = new Scanner(System.in);
// Display the menu.
System.out.println("Geometry Calculator\n");
System.out.println("1. Calculate the Area of a Circle");
System.out.println("2. Calculate the Area of a Rectangle");
System.out.println("3. Calculate the Area of a Triangle");
System.out.println("4. Quit\n");
System.out.print("Enter your choice (1-4) : ");
// get input from user
userChoice = keyboard.nextInt();
// validate input
while (userChoice < 1 || userChoice > 4) {
System.out.print("Please enter a valid range: 1, 2, 3, or 4: ");
userChoice = keyboard.nextInt();
}
return userChoice;
}
Calculate Circle Area
public static void calculateCircleArea() {
double radius;
// Get input from user
Scanner keyboard = new Scanner(System.in);
System.out.print("What is the circle's radius? ");
radius = keyboard.nextDouble();
// Display output
System.out.println("The circle's area is "
+ Geometry.areaOfCircle(radius));
}
Calculate Rectangle Area
public static void calculateRectangleArea() {
double length;
double width;
// Get input from user
Scanner keyboard = new Scanner(System.in);
// Get length
System.out.print("Enter length? ");
length = keyboard.nextDouble();
// Get width
System.out.print("Enter width? ");
width = keyboard.nextDouble();
// Display output
System.out.println("The rectangle's area is "
+ Geometry.areaOfRectangle(length, width));
}
Calculate Triangle Area
public static void calculateTriangleArea() {
double base;
double height;
// Get input from user
Scanner keyboard = new Scanner(System.in);
// Get the base
System.out.print("Enter length of the triangle's base? ");
base = keyboard.nextDouble();
// Get the height
System.out.print("Enter triangle's height? ");
height = keyboard.nextDouble();
// Display the triangle's area.
System.out.println("The triangle's area is "
+ Geometry.areaOfTriangle(base, height));
}
Output
Geometry Calculator
1. Calculate the Area of a Circle
2. Calculate the Area of a Rectangle
3. Calculate the Area of a Triangle
4. Quit
Enter your choice (1-4) : 1
What is the circle's radius? 10
The circle's area is 314.1592653589793
Geometry Calculator
1. Calculate the Area of a Circle
2. Calculate the Area of a Rectangle
3. Calculate the Area of a Triangle
4. Quit
Enter your choice (1-4) : 2
Enter length? 10
Enter width? 10
The rectangle's area is 100.0
Geometry Calculator
1. Calculate the Area of a Circle
2. Calculate the Area of a Rectangle
3. Calculate the Area of a Triangle
4. Quit
Enter your choice (1-4) : 3
Enter length of the triangle's base? 10
Enter triangle's height? 10
The triangle's area is 50.0
Geometry Calculator
1. Calculate the Area of a Circle
2. Calculate the Area of a Rectangle
3. Calculate the Area of a Triangle
4. Quit
Enter your choice (1-4) : 4
Thanks for calculating!
Final answer:
A Geometry class can be designed with static methods to calculate the areas of circles, rectangles, and triangles, ensuring input validation. A test program will provide a user-friendly menu to select different area calculations or to quit, with error handling for out-of-range selections.
Explanation:
Designing a Geometry Class with Area Calculation Methods:
To create a Geometry class with different area calculation methods, we'll define several static methods. Each of these methods will perform a check to ensure that the input values are positive before proceeding with the calculation.
Circle Area Calculation:
To calculate the area of a circle, we use the formula πr2. The static method will take the radius as a parameter and return the calculated area, making use of Math.PI for π. If the radius is negative, an error message will be displayed.
Rectangle Area Calculation:
For calculating the area of a rectangle, the method will accept the length and width. The area is found by multiplying the length by the width. Again, if negative values are provided, an error message will be returned.
Triangle Area Calculation:
The area of a triangle is calculated by taking the base and the height, multiplying them together, and then multiplying by 0.5. This method also ensures that input values are positive before calculating the area.
Testing the Geometry Class:
To test the Geometry class, a program with a menu offering options to calculate the area of a circle, a rectangle, or a triangle will be created. If the user selects an option outside the range of 1 to 4, an error message is displayed. This ensures that the program is user-friendly and provides appropriate prompts and feedback.
The second half to the Student Report will retrieve the specific fees for which the student whose ID is in cell B2 is responsible. In cell E5, enter a VLOOKUP function that will retrieve the student's Uniform Size from the range A12:E36 on the StudentReport worksheet. Incorporate an IFERROR function so that if there is no Student ID in cell B2, a blank value ("") is returned instead of a___________.
To retrieve a student's Uniform Size using the student ID in cell B2 with a VLOOKUP function and handle errors with IFERROR, the following Excel formula should be entered in cell E5: '=IFERROR(VLOOKUP($B$2, StudentReport!$A$12:$E$36, 5, FALSE), "")'. It returns the Uniform Size or a blank value if an error occurs or if there is no ID.
Explanation:To retrieve the Uniform Size for a student using a VLOOKUP function, while also handling errors with the IFERROR function in Excel, you can use the following formula in cell E5:
=IFERROR(VLOOKUP($B$2, StudentReport!$A$12:$E$36, 5, FALSE), "")
This formula will look for the student ID located in cell B2 within the range A12:E36 on the StudentReport worksheet. If the student ID is found, it will return the value in the fifth column of the range (which corresponds to the Uniform Size). If the student ID is not present in cell B2 or an error occurs during the lookup, a blank value ("") will be returned, preventing any error messages from being displayed.