Consider a short, 10-meter link, over which a sender can transmit at a rate of 150 bits/sec in both directions. Suppose that packets containing data are 100,000 bits long, and packets containing only control (e.g., ACK or handshaking) are 200 bits long. Assume that N parallel connections each get 1 of the link bandwidth N. Now consider the HTTP protocol, and suppose that each download object is 100 Kbits long and that the initial download object contains 10 referenced objects from the same sender.
Would parallel downloads via parallel instances of non-persistent HTTP make sense in this case? Now consider persistent HTTP. Do you expect significant gains over the non-persistent case? Justify and explain your answer.

Answer:

The correct answer to the following question will be "Iterative procedure".

Explanation:

Iterative production or procedure seems to be a technique of distinguishing product progression from expansive implementation to littler bits. This including code in regurgitated processes is designed, developed and attempted.

Regularly iterative architecture is used in conjunction with gradual improvement where a certain more sketched-out process of code progress is composed of littler components building on each other.

This will improve observer performance, as each move is systematic and cheap to run.

The shorter cycles of Iterative production affect the ability of the analyst to manage system’s requirements in a way that improve the observer performance as each move is systematic and cheap to run.

An Iterative production means a technique of distinguishing product progression from expansive implementation to littler bits.

An Iterative production which includes code in regurgitated processes is designed, developed and attempted.

In conclusion, the shorter cycles of Iterative production affect the ability of the analyst to manage system’s requirements in a way that improve the observer performance as each move is systematic and cheap to run.

Read more about Iterative production

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Answer:

no

Explanation:

The computer has a PSU(power supply unit )which is a hardware component of a computer that supplies all other components with power. The power supply converts the 120 volt AC (alternating current) into a steady low-voltage DC (direct current) usable by the computer.

parts in a PSU include

   A rectifier that converts AC (alternating current) into DC.

   A filter that smooths out the DC (direct current) coming from a rectifier.

   A transformer that controls the incoming voltage by stepping it up or down.

   A voltage regulator that controls the DC output, allowing the correct amount of power, volts or watts, to be supplied to other computer hardware.

Answer:

C++ code is explained

Explanation:

#include <iostream>

#include <string>

#include <sstream>

using namespace std;

int firstDigit(int n){

// Converting int to string

ostringstream convert;

convert << n;

string s = convert.str();

char first_char = s[0];

int first_int = first_char - '0';

return first_int;

}

int lastDigit(int n){

// Converting int to string

ostringstream convert;

convert << n;

string s = convert.str();

char last_char = s[s.length() - 1];

int last_int = last_char - '0';

return last_int;

}

int digits(int n){

// Converting int to string

ostringstream convert;

convert << n;

string s = convert.str();

int length = s.length();

return length;

}

int main() {

int number;

cout << "Enter integer: " << endl;

cin >> number;

cout << "The first digit of the number is " << firstDigit(number) << endl;

cout << "The last digit of the number is " << lastDigit(number) << endl;

cout << "The number of digits of the number is " << digits(number) << endl;

}

Answer:

The code above tries to read a file using the scanner class in java programming language.

But it was done properly.

First, the scanner class library is not imported to the program.

Second,the syntax used in this program is an invalid way of reading a file in java programming language using the scanner class.

Lastly, "String s = file.nextLine();" is not a proper way of reading each line

To correct this problem; use the following code;

import java.util.Scanner;

import java.io.File;

import java.io.FileNotFoundException;

public class ReadFileWithScanner {

try

{

public static void main(String args[]) throws FileNotFoundException {

File text = new File("data.txt");

Scanner file = new Scanner(text);

int lines = 1;

while(file.hasNextLine()){

String line = filw.nextLine();

System.out.println("line " + lines + " :" + line);

lines++;

}

catch (ArithmeticException ae)

{

System.out.println(ae.getMessage());

}

}

}

Answer:

Transference

Explanation:

According to carr

How does multithreading affect the throughput of a GetFile Server hosting many very large files?

Answer:

It create multiple threads of large file which eventually causes in slowing down the speed of server which results in slower response time.

How does multithreading affect the average response time for a GetFile server hosting a few small files?

Answer:

Multiple threads in smaller files result in rapid response time and enormous process speed in small files.

Answer:

We will ned (4) four tables.

Explanation:

For the given scenario we will have to build a relational database. The database will have four tables i.e. Competation, Collage, Team and student.

For each table the database fields are mention below. Note that foreign keys are mentioned in itallic.

Competition:

Competition_ID, Competition_Name, Competition_Data, Competition_Name _of_Branch, College_ID

Collage:

Collage_ID, Collage_Name, Collage_Contact, Collage_address

Team:

Name, Color, Team_ID, College_ID, Competition_ID

College:

Student_ID, First_Name, Last_Name, Date_of_Birth, Major, Expected_Gradiuation_Date, Collage_ID, Team_ID, Competation_ID

To organize the required data for your firm's case competitions, you would need to create four tables: Competitions, Colleges, Teams, and Students. These tables would store competition details, college contact information, team names and colors, and student demographics, respectively.

Databases organize information into tables that are composed of rows and columns where each row is a record for an entity and each column is an attribute of the entity. For your case competition database, you will need different tables to store related data without redundancy. The goal here is consistency, efficiency, and comprehensibility. Let's break down the tables you would require:

By designing your database with these four tables, you ensure data is grouped logically and related information is linked appropriately to eliminate the need for repeated data entry and promote efficient data management.

Answer:

False.

Explanation:

Representatives of the following team must answer, examine, as well as report that evidence in even the most timely way possible throughout the examination through the circumstance . They should not be conducting the counter attack to defend CBFs. They defend this in a different way.

So that is the reason by which the following statement is false.

Answer:

See the attached pictures for detailed answer.

Explanation:

The cache contain 8K number of blocks.each block has 16 Byte worth of data. Each of these bytes are addressable by block offset. Now, each of these blocks are addressable and their address is provided by line offset or set offset. If block number is given in Decimal format then the block to which that block will be mapped is given by expression

mappedToBlock = (bNumber)mod2​​​13

TAG and valid but consititues something called cache controller. TAG holds the physical address information because the TAG in physical address get divided into TAG and line offset in cache address. Valid bit tells status of blocks. If it is 1 then data blocks are referred by CPI else not.

Solution:

It will not fit on Lenovo Ideapad N580.

The Ideapad N580 will fit HDD of form factor 2.5" (2.5 Inch) but the form factor of Toshiba mk8009GAH is 1.8" hence won't fit in the slot.

The interface type specifies which type of connector used to connect the motherboard and the HDD and it should be the same in order to use on it.

Ideapad uses the SATA interface type to connect the HDD but the Toshiba mk8009GAH is having an ATA type interface on it hence they cannot be connected with each other.

No, the Toshiba MK8009GAH 80-GB 4200-RPM hard drive will not fit in the Lenovo IdeaPad N580 laptop because it is a 1.8-inch PATA (IDE) drive, while the laptop requires a 2.5-inch SATA drive.

To determine if the Toshiba MK8009GAH 80-GB 4200-RPM hard drive will fit in the Lenovo IdeaPad N580 laptop, we'll need to consider both the drive form factor and interface connector compatibility. Most laptops, including the Lenovo IdeaPad N580, use a 2.5-inch SATA hard drive. The Toshiba MK8009GAH, however, is an older 1.8-inch PATA (IDE) drive (as indicated by its 4200-RPM speed which is more common in older drives, and the MK series which was typically PATA drives).

The answer is d. No, the drive form factor and interface do not match. The physical size (form factor) of the Toshiba drive is smaller and the interface is IDE, not SATA. Therefore, this drive would not fit nor connect properly without an appropriate adapter, which typically is not a feasible solution for replacing a laptop hard drive.

Answer:

Terminal services

Explanation:

Terminal services are multiuser, lean client environment from Microsoft which was built for Windows servers. It was first launched on the Windows NT 4.0 in 1996, as of the 2009 the launch of Windows Server 2008 R2, it became part of Remote Desktop Services (RDS), and exclusively, the "shared sessions" method in RDS.

Just like in the old times of mainframes, Terminal Services supports numerous users connected to a central computer. The user's device can be a compact PC, bare-bones PC or a dedicated terminal, and all of them are to function as input/output (I/O) terminals and use the same OS and applications running in the server. Terminal Services utilizes the Microsoft's Remote Desktop Protocol (RDP) to govern mouse, keyboard and screen transfer.

Answer:

Explanation: see attachment below

Answer:

Disable the network port and install a network card in an expansion slot.

Explanation:

The best and least expensive solution will be to disable the network port, once that is done, you install a network card in the card expansion slot.

This way you can still connect wireless devices to your computer and the network issue will be solved.

Answer: Update the Motherboard Drivers

Explanation:  I would try update the motherboard drivers 1st.

Answer:

500kbps

Explanation:

Bandwidth is the actual amount of data that a network is capable of transferring theoretically.

Throughput is the actual amount of data passing through a connection. It is the rate (usually measured in bps- bits per sec or pps - packets per second) at which packets or bits are successfully delivered over a network channel

If R₁=500 kbps, R₂=2 Mbps, and R₃ = 1 Mbps.

Since there is no other traffic in the link from Host A to Host B, the Throughput is the minimum of the links between Host A and Host B. Therefore:

Throughput= Mininum(R₁,R₂,R₃)

=500kbps

Answer:

Advantage symmetric cryptography

Explanation:

1. The same key is used to both encrypt and decrypt messages.  

2. Symmetric key algorithms are widely applied in various types of computer systems to improve data security.

3. The security of symmetric encryption systems is based on the difficulty of randomly guessing the corresponding key to force them.

4. The Advanced Encryption Standard (AES) widely used in both secure messaging applications and cloud storage is a prominent example of symmetric encryption.

5. For every bit added to the length of a symmetric key, the difficulty of decrypting encryption using a brute force attack increases exponentially.

Answer:

data security and user privacy

Explanation:Symmetric algorithms provide a fairly high level of security while at the same time allowing for messages to be encrypted and decrypted quickly. The relative simplicity of symmetric systems is also a logistical advantage, as they require less computing power than the asymmetric ones. In addition, the security provided by symmetric encryption can be scaled up simply by increasing key lengths. For every single bit added to the length of a symmetric key, the difficulty of cracking the encryption through a brute force attack increases exponentially.

Answer:

F= in1'.in2' + (in1.in2)' + in1'. in2+ in1.in2'

Explanation:

See the truth table in the attachment

I have used apostropy (') to write complement

Answer:

The initial program was not provided.

I'll answer the question base on the following assumptions.

1. I'll declare a rate of payment for hours more than 60 and a different rate of payment for hours between 40 and 60.

2. Gross payment is calculated by rates of payment * hours worked.

# Program starts here

# Comments are used for explanatory purpose

def main():

#accept input for hours

x= input ("Enter Hours Worked per week")

#convert to integer

hours = int(x)

#accept input for rate of payment

y= input ("Enter Rate of payment per week")

#convert to integer

Rate = int(y)

#test the range of values of hours

if(hours>60):

st= "double time for hours more than 60"

elif(hours>=40 && hours<=60):

st= "one-half time more than 40 and less than or equal to 60"

print(st)

Gross = Rate * hours

print(Gross)

Answer:

value=int(input("Enter the value from where the user wants to starts: "))#Take the value from the user.

i=1#intialize the value of a variable by 1.

while(value<1000) and (i<9):#while loop which prints the value.

   print(value,end=" ")# print the value.

   value=value*2#calculate the value to print.

   i=i+1#calculate the value for the count.

Output:

If the user enter 5, then the output is : "5 10 20 40 80 160 320 640".

If the user enter 5, then the output is : "3 6 12 24 48 96 192 384".

Explanation:

Answer: Insertion Sort is more efficient , stable and faster than quick sort in writing sorting algorithms.

Insertion sort saves space without moving blocks of data and ensuring data stability.

Explanation:

Insertion Sort involves sorting given items in an algorithm by taking unsorted items, inserting them in sorted order in front of the other items and repeating until all items are in order.

Insertion sort process is relatively stable and faster compared to both quick sort and merge sort in algorithm manipulation since we are only moving smaller items in front without moving blocks of items.

On the other hand, Quick Sort is an algorithm that involves or chooses a random pivot and sort items smaller than the chosen pivot to the left and items bigger than the chosen pivot to the right till all items are in sorted order.

Quick Sort is a space sorting algorithm with extra stack frame space and has a risk of an unbalanced pivoting point which may cause extra running time and may also be highly unstable compared with Insertion sort method.

Answer:

Display random(1, 7).

Explanation:

In the following question, some details of the question are missing that is pseudocode.

//  Program shows three random numbers

// the range of 1 to 7.

Declare the Integer count

// Shows three random numbers.

For count = 1 To 3

Display random(7, 1)

End For

In the following pseudocode, it generates three random numbers from 1 to 7 because the for loop statement is starts from 1 and end at 3 so the loop will iterate three times and every time it generates one random number from 1 to 7. So, the following are the reason that describe the answer is correct according to the scenario.

The issue with the pseudocode might be related to the exclusive nature of the upper boundary in many random number generator methods. The programmer may need to add 1 to the function to generate values inclusive of 7.

Without seeing the actual pseudocode, it's tough to give a specific correction. However, the common error in generating random numbers is not considering the exclusive nature of the upper boundary in random number methods. Most methods generate numbers from 0 (inclusive) up to the specified upper limit number (exclusive).  To generate random numbers within the range from 1 to 7 (inclusive), the code should add 1 to the random output. Therefore, a possible correction would be to modify the random number generator function to include 7 and exclude 0.

For example, in many programming languages, one could use a function similar to '1 + Math.floor(Math.random() * 7)', ensuring that we generate random numbers between 1 and 7 inclusive. Kindly refer to the specific programming language practices when implementing.

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Answer:

(b) When irrelevant attributes have been removed from the data.

Explanation:

A nearest neighbor approach -

It refers to the method of searching where the nearest point from the given set can be determined with respect to some specific point , is referred to as the nearest neighbor approach .

The method is used for the purpose of finding soe data in order to replace , edit , remove or add some data .

Hence , from the given question ,

The correct answer about nearest neighbor approach is b.

A Nearest Neighbor approach is best used when irrelevant attributes have been removed from the data. This algorithm works best when the dataset is clean and free of irrelevant, misleading, or noisy data. It is less effective with large data sets, and doesn't provide a generalized model or easy explanation of results.

A Nearest Neighbor approach in machine learning is typically best used when irrelevant attributes have been removed from the data. This type of algorithm generally works well when the dataset is clean and free of irrelevant, misleading, or noisy data that could interfere with finding the nearest neighbors. Notably, it does not work as effectively with large data sets due to computational demands. Furthermore, it does not provide a generalized model of the data or an easy explanation of the results, which eliminates options (a), (c), and (d).

To illustrate, consider a dataset used for predicting house prices. Irrelevant attributes including the house color, name of the owner, etc., have to be removed for the Nearest Neighbor algorithm to be effective as they do not have a direct impact on the house price. The algorithm then identifies the 'neighbor' house prices that are most similar to the house price we're trying to predict.

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Answer:

3,159 bytes

Explanation:

When implemented as a macro, for each of the 35 executions, the program will require enough memory for the whole macro code (61 bytes). Since the program's data and executable code require 1,024 bytes, the number of bytes required by the entire program is:

[tex]M = 1,024+(35*61)\\M=3,159\ bytes[/tex]

The program requires 3,159 bytes if the new code is added as a macro.

Explanation:

Security is an essential aspect in any company and for any software organization, through a better protected area or network, the company will be able to maintain important data and operations with access for only authorized users.

Currently, there is a network of hackers and intruders of IT systems whose intention is to steal relevant data and obtain financial benefits from the invasion of company systems, so the IT infrastructure must be a planned and well implemented step in companies, to avoid intruders and failures that could harm an organization's operations.

The ideal IT structure is one developed to meet the needs of a company and its professionals, so there is a need for research, testing and for the implementation of the system to be directed at strategies and organizational objectives.

Another important factor is the development of the policy that will guide the rules and conduct for using the IT system, it is necessary that the policy has the ideal flexibility for the company, so that all its development is focused on coherence and cohesion with the company's strategy must be comprehensive to establish usage rules for users and authentication procedures for specific networks.

The company must have ownership over its system, the data contained therein, its use and privacy, so that the system is always protected, updated and compliant to assist in the improvement of organizational techniques and processes.

Answers

Explanation:

In short explanation,the Computer Architecture specifically deals with whatever that's going on in the hardware part of the computer system while the Operating System is the computer program which has been program to execute at some instances depending on the programming instructions embedded in it. An example is the MS Office.

Answer:

Both B and C

Explanation:

In order to use methods from another class (library) in your code, the class library will have to be added or imported into your code.

This is implemented in different ways across different programming languages, for example;

Java uses the keyword import followed by the class library name

C++ uses the key word #include

C# Uses the keyword using

Answer:

Both b and c.

Explanation:

In my opinion, I think the IDE determines how to use the class. While you import some, some have to be added to your project

Final answer:

This answer provides C++ and Python code for a Mad Libs game that uses loops to generate sentences based on user inputs until 'quit 0' is entered.

Explanation:

This lab activity requires the creation of a Mad Libs game using loops in both C++ and Python programming languages. The game will prompt users to input a string and an integer, and use those inputs to construct and output a humorous sentence. The loop will terminate when the user inputs 'quit 0'. Below you'll find an example code snippets in C++ and Python that accomplish this task.

C++ Example

Write complete code in C++ to create a Mad Libs game that continues to ask for user inputs until 'quit 0' is entered:

#include
#include
using namespace std;

int main() {
   string word;
   int number;
   while (true) {
       cin >> word;
       if (word == "quit") {
           cin >> number;
           if (number == 0) {
               break;
           }
       }
       cin >> number;
       cout << "Eating " << number << " " << word << " a day keeps the doctor away." << endl;
   }
   return 0;
}

Python Example

Write complete code in Python to accomplish the same task:

while True:
   word, number = input().split()
   number = int(number)
   if word == 'quit' and number == 0:
       break
   print(f'Eating {number} {word} a day keeps the doctor away.')

Final answer:

The swapArrayEnds() method exchanges the positions of the first and last elements in an array. For an array with two or more elements, the method uses a temporary variable to hold one element during the swap. This method is a basic array manipulation technique in programming.

Explanation:

The method swapArrayEnds() swaps the first and last elements of an array. In a programming language like Java or Python, this task is typically performed by accessing the elements at their respective indices and then swapping their values. Here’s an example of how you might write this method in Java:

By checking if the array is not null and has more than one element, we ensure that we do not try to swap ends on an empty or single-element array, which would be unnecessary. This is a common operation in array manipulation, and understanding how to implement it is useful in many programming and computer science applications.

Answer:

The solution is written in Python 3

Explanation:

Firstly, create a function maxTemp that take one input file name (Line 1). Next create an exception handling try and except block to handle the situation when the read file is not found or cannot be open, it shall return -1 (Line 2, Line 15 -16).

Next use the readlines method to read the temperature data from the input file (Line 4). Before we traverse the read data using for loop, we create a variable highest to hold the value of max temperature (Line 5). Let's set it as zero in the first place.

Then use for loop to read the temp data line by line (Line 6) and if there is any empty line (Line 7) just ignore and proceed to the next iteration (Line 7 -8). Otherwise, the current row reading will be parsed to float type (Line 10) and the parsed data will be check with the current highest value. If current highest value is bigger than the current parsed data (), the program will set the parse data to highest variable (Line 11 -12).

After finishing the loop, return the highest as output (Line 14).  

Answer:

The solution code is written in Python 3:

Explanation:

Firstly, we need to import keyword module so that we can use its iskeyword method to check if a string is registered as Python keyword (Line 1).

Next, we create a function checkValidVariable that takes one input string (Line 3). Within the function body, we use iskeyword method to check if the input string is keyword. Please note the "not" operator is used here. So, if iskeyword return True, the True value will be turned to False by the "not" operator or vice versa (Line 4-5).

We test the function by passing two input string (Line 9-10) and we shall get the sample output as follows:

True

False

Answer:

The severity and likelihood of harm

Explanation:

So that there is no room for a data breach.