what is the function of control unit? in computer.
​

Answer:

Forward all

Explanation:

Answer:

Explanation:

Instant Messaging/Text Messaging

Answer:

cloud computing

Explanation:

Often includes a visual graphic, shows the flow of information from task to task, breaks the solution into tasks and includes pseudocode are elements involved in modeling a solution. Hence, options A, B, D and E are correct.

Pseudocode is a made-up, informal language that aids in the creation of algorithms by programmers. A "text-based" detail design tool is pseudocode. The Pseudocode rules are not too complicated. Statements that demonstrate "dependence" must all be indented. Some of these are while, do, for, if, and switch.

Pseudo code: It's just a plain text document with annotations and informative text that implements an algorithm. It has no grammar like any other programming language, making it impossible for a computer to compile or interpret.

A simplified version of an algorithm that expresses coding logic in English is known as pseudocode. It enables programmers to plan the architecture of any algorithm using straightforward commands. Pseudocode describes numerous coding actions and their proper order mostly in plain English.

Thus, options A, B, D and E are correct.

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Answer:

20

Explanation:

The value of EAX would be 20. This is a 32 bit version of AX register. It has two common purposes.

1. It is useful for storing the return value of a function

2. It is used as register while performing some kinds of calculations.

The value is not preserved. It is therefore volatile in nature as a register.

Answer:e

Explanation: Encapsulation is one of the four fundamental OOP concepts. The other three are inheritance, polymorphism, and abstraction. The other three are inheritance, polymorphism, and abstraction. Encapsulation in Java is a mechanism of wrapping the data (variables) and code acting on the data (methods) together as a single unit

Answer:

name = input("Enter customer name: ")

quantity = int(input("Enter quantity: "))

size = input("Enter size [large-medium-small]: ")

if size == "large":

   sales = (quantity / 12) * 13

if size == "medium":

   sales = (quantity / 12) * 11

if size == "small":

   sales = (quantity / 12) * 8.6

print(name + " ordered " + str(quantity) + " " + size + " ballons")

print("Total sales is $" + str(sales))

Explanation:

*The code is in Python.

Ask the user to enter name, quantity, and size

Check the size using if structure. Depending on the size, calculate the sales using the given cost for for a dozen.

Print the order information and total sales

Answer:

boot disk

Explanation:

This disk contains files required by the boot sequence as well as the operating system, which is loaded at the end of the startup process.

Master

Explanation:

Master is the term used for to describe the primary disk, one that boots, or start up, the system

Answer:

B, C, F, G

Explanation:

Digital Citizenship

Among the options given, the examples of humane design are as follows:

Thus, the correct options for this question are B, C, F, and G.

The Humane design may be defined as a type of design system that significantly emphasizes the user's experience and well-being. It takes deals with the processes on account of how people interact with technology.

According to the context of this question, examples of humane design are turning off all notifications that aren't from people, charging your device outside of your bedroom, eliminating social media, setting to keep track of usage time, etc. All these activities which are of human nature are now controlled by technology.

Therefore, the correct options for this question are B, C, F, and G.

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Answer: 172.16

Explanation:

The IP address of the second Ethernet adapter is 172.16

Answer:

Following are the solution to this question:

Explanation:

In point 1:

Trials frequency [tex]= \frac{100 \ million }{second}[/tex]

calculating the main length of cryptography = 112 bit

[tex]\to 100\ Million = 1 \times 10^8[/tex]

calculating the second year value:

[tex]\to 365 \times 24 \times 60 \times 60 =3153600\\\\[/tex]

                                  [tex]=3.15 \times 10^7 \ seconds[/tex]

Currently, in average , at least half the possible sleeves is being used to verify the encryption process:  [tex]2^{111} \ keys[/tex]

[tex]\to \frac{2^{111} \time3s 10^6}{3.15 \times 10^7}\approx 8.22 \times 10^{20} \ years[/tex]

the total time value will be [tex]8.22 \times 10^{20} \ years[/tex]

In point 2:

In cryptography, the common name is Triple DES (3DES), which would be the symmetric-key encrypted communication algorithm (TDEAor Triple DEA), which adds 3 times per block size only with the cryptographic method Data Encryption Standard ( DES).  

Algorithm:-

The key package involves four DES keys, K1, K2, and K3, each 56-bit (except parity bits), Triple DES includes. Its encoding algorithm is::  

[tex]ciphertext = EK3(DK2(EK1(plaintext)))[/tex]

I.e. K1, DES encrypt, K2 decrypt, then K3 encrypt DES.  

The reverse is the decryption:  

[tex]plaintext = DK1(EK2(DK3(ciphertext)))[/tex]

I.e. decrypt by K3, crypt by K2, decrypt by K1.  

Every three-bit authentication encrypts a 64-bit block.

Its middle procedure in each situation it's the reverse of the first operation. It improves the strength of the key second option algorithm which offers DES native support with key option 3.

Answer:

hit the vehicle horn

Explanation:

Remember, a driver reversing may easily go unnoticed by pedestrians as the driver may be coming from behind. Thus, a suggested means of gaining the eye contact of pedestrians before reversing is to hit the vehicle horn.

Answer:

public class Main

{

public static void main(String[] args) {

    int userNum = 40;

    while(userNum > 1){

        userNum /= 2;

        System.out.print(userNum + " ");

    }

}

}

Explanation:

*The code is in Java.

Initialize the userNum

Create a while loop that iterates while userNum is greater than 1. Inside the loop, divide the userNum by 2 and set it as userNum (same as typing userNum = userNum / 2;). Print the userNum

Basically, this loop will iterate until userNum becomes 1. It will keep dividing the userNum by 2 and print this value.

For the values that are smaller than 1 or even for 1, the program outputs nothing (Since the value is not greater than 1, the loop will not be executed).

Answer: A. Converting electrical devices into programmable appliances

Explanation:

The focus is on converting electrical devices into programmable appliances. The correct option is A.

Devices that functionally rely on electric energy (AC or DC) to power their essential components are known as electric(al) devices (electric motors, transformers, lighting, rechargeable batteries, control electronics).

Electrical energy is received by electrical equipment, which directly convert it into various forms of energy like light, heat, or mechanical energy. For instance, an iron uses electrical energy to create heat that may be used to iron clothing.

Electrical energy is transformed into other forms of energy, such as heat, light, or sound, using electrical devices. To carry out a task, electronic gadgets regulate the flow of electrons.

The goal of Internet of Things developers is to turn electrical equipment into programmable appliances.

Thus, the correct option is A.

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Solution:

public class Apartment {

int aptNumber;

int bedrooms;

double baths;

double rent;

public Apartment(int num, int bdrms, double bths, double rent) {

aptNumber = num;

bedrooms = bdrms;

this.baths = bths;

this.rent = rent;

}

public int getAptNumber() {

return aptNumber;  

}

public int getBedrooms() {

return bedrooms;  

}  

public double getBaths() {  

return baths;  

}  

public double getRent() {  

return rent;  

}  

}  

import java.util.*;  

public class TestApartments {

public static void main(String args[]) {  

Scanner input = new Scanner(System.in);  

Apartment apts[] = new Apartment[5];

apts[0] = new Apartment(101, 2, 1, 725);

apts[1] = new Apartment(102, 2, 1.5, 775);

apts[2] = new Apartment(103, 3, 2, 870);

apts[3] = new Apartment(104, 3, 2.5, 960);  

apts[4] = new Apartment(105, 3, 3, 1100);  

int bdrms;

int baths;

double rent;

int count = 0;  

System.out.print("Enter minimum number of bedrooms needed >> ");

bdrms = input.nextInt();

System.out.print("Enter minimum number of bathrooms needed >> ");

baths = input.nextInt();  

System.out.print("Enter maximum rent willing to pay >> ");  

rent = input.nextDouble();  

System.out.println("\nApartments meeting citeria of\nat least " + bdrms + " bedrooms, at least " + baths + " baths, and " + " no more than $" + rent + " rent:");

// Write your code here

boolean isExist = false;

for(int i=0; i<apts.length; i++){

if(checkApt(apts[i], bdrms, baths, rent)){  

display(apts[i]);

isExist = true;  

}  

}  

if(!isExist){  

System.out.println("No apartments met your criteria");

}  

}  

public static boolean checkApt(Apartment apt, int bdrms, double baths, double rent) {

// Write your code here  

if(apt.getBedrooms()>=bdrms && apt.getBaths()>=baths && apt.rent<=rent)  

return true;  

return false;

}  

public static void display(Apartment apt) {

System.out.println(" Apt #" + apt.getAptNumber() + " " + apt.getBedrooms() +" bedrooms, and " + apt.getBaths() + " baths. Rent $" + apt.getRent());  

}  

}  

Answer:

amount_due = float(input("Enter amount due: "))

amount_paid = float(input("Enter amount paid: "))

change = amount_paid - amount_due

pennies = change * 100

quarters = int(pennies / 25)

pennies %= 25

dimes = int(pennies / 10)

pennies %= 10

nickels = int(pennies / 5)

pennies %= 5

pennies = int(pennies)

print("Your change is $%.2f" % change)

print("Quarters: " + str(quarters) + ", Dimes: " + str(dimes) + ", Nickels: " + str(nickels) + ", Pennies: " + str(pennies))

Explanation:

*The code is in Python.

Ask the user to enter amount due and amount paid

Calculate the change

Convert change to pennies

Find the number of  quarters, dimes, nickels in the pennies using division and modular operator. The remaining amount equals the number of pennies

Print the change

Print the number of quarters, dimes, nickels, and pennies

Let me demonstrate calculating the quarters:

Let's say pennies equals 39,

quarters = int(pennies / 25) → int(39/35) → int(1.11) = 1

pennies %= 25 (same as pennies = pennies % 25) → 39 % 25 → 14

Answer: Formulating your brief

Explanation:

The key stage that involves considering design options is formulating one's brief.

The aim of "Formulating Your Brief" is simply a way to determine the context in which a particular work will be to be undertaken after which the aim is then defined. It can either be formal or informal.

Answer:

Blocking programs from accessing the internet, and stopping certain traffic.

Explanation:

Answer:

Option b (Crowdsourcing) is the correct approach.

Explanation:

The other options offered aren't relevant to the description given. So, the solution here is just the right one.

Answer:

c. $10th

Explanation:

In order to declare or create a valid variable in PHP, there are rules and guidelines to follow, these the following:

1. Valid variable begins with the $ sign.

2. It must begin with a letter or the underscore character only.

3. Valid variable cannot begin with a number after the $ dollar sign.

4. It can only contain alpha-numeric characters and underscores

5. Valid variable name is case-sensitive

Hence, given these rules and guidelines, the correct answer is option C, which after starting with $ sign begins with a number character.

Answer:

lots of assumption here but i belive  the processing unit will most definitely increase in performance

Explanation:

Answer:

Explanation:

In the SQL database manipulation coding language, there are a variety of different available data types to use. These data types are the following.

Each of these data types has a wide range of subcategories (data types as well) that each handle different variables in a coding sequence. These subcategories can be all seen in the attached picture below.

Answer:

The algorithm is as follows

Explanation:

The algorithm is self explanatory.

However, take note of the following

Answer:

Follows are the explanation to this question:

Explanation:

It works well with a jet ink printer. Even so, its ink cartridges were pricey.  Inkjet printers could be low-cost because you sometimes can buy a basic print for just $30. This is not as durable as inkjet printers, and it provides good quality copies. The inkjet printer may be the right choice if you ever don't print several pages. However, the 30 $printer may want a 20 $cartridge and replenish. Check the monthly duty period for both the costs each tab.

Answer:

First, the OSI model is just that, a model. Its use is not mandated for networking, yet most protocols and systems adhere to it quite closely. It is mainly useful for discussing, describing, and understanding individual network functions. Second, not all layers are used in some simpler applications.

Answer:

Explanation:in computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence. DWs are central repositories of integrated data from one or more disparate sources.

Answer:

Is A system that pulls together data from different sources within an organisation for reporting and analyzing

Explanation:

Answer:

They predicted another cold, windy day in Seattle.

Answer:

Define a function that accept a list as an argument. Save the length of the list as a variable and cast the list to a set and also save the length to a variable.

If the result of the subtraction of the set length from the list length is not equal to zero, then the list have duplicates.

Explanation:

A sample of the source code using Python,

def list_duplicate( list ):

list_len = len( list )

new_set = set( list )

set_len = len( new_set )

If list_len - set_len != 0 :

Print( " The list has duplicate " )

Answer:

yrgfyfhfhcgcjvhvchgcgctffxfxfxfxgxgfch

Answer:

Written in C++

#include<iostream>

using namespace std;

int main()

{

int num;

int sum = 0;

cout<<"Input: ";

cin>>num;

int count = 0;

int max = 0;

while(num >= 0)

{

 sum+=num;

 cin>>num;

 count++;

 if(num>=max){

  max = num;

 }

}

cout<<(sum/count)<<endl;

cout<<max<<endl;

return 0;

}

Explanation:

I've added the full source code as an attachment where I use comments as explanation.

See Attachment

The max and the average of the input data will be determined through iterations and conditional statements.

The program in C++ is as follows

#include<iostream>

using namespace std;

int main(){

//This declares num

int num;

//This initializes sum to 0

int sum = 0;

//This prompts user for input

cout<<"Input: ";

//This gets input from the user

cin>>num;

//This initializes counter to 0

int count = 0;

//This initializes max to 0

int max = 0;

//The following iteration gets user input until user enters negative

while(num >= 0)  {

 //This line calculates the sum

 sum+=num;

 //This gets another input from the user

 cin>>num;

 //This increases counter by 1

 count++;

 //The following if statement checks for maximum

 if(num>=max){

  max = num;

 }

}

//This prints the average

cout<<"Average: "<<(sum/count)<<endl;

//This prints the max

cout<<"Maximum: "<<max<<endl;

return 0;

}

See comments for program explanation

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