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aev [14]
2 years ago
12

What is often called a platform, a collection of computer programs that work together to manage hardware and software to ensure

that they are working properly?
Computers and Technology
1 answer:
Nady [450]2 years ago
7 0

Answer:

The correct answer to the following question will be "Operating system".

Explanation:

  • An operating system is a machine software that handles hardware of a computer, computing assets and delivers basic services to software programs.
  • It is an intermediary between such users and computer hardware.
  • It also helps you to interact with your machine without learning how to use your language of the computer.

Therefore, it will be the right answer.

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Use JavaWrite a program that will simulate a change machine found at cash registers. Input the amount due and amount paid from t
Ksju [112]

Answer:

Here is the JAVA program:

import java.util.Scanner;  //to accept input from user

public class Main { // class name

 public static void main(String [] args) {  // start of main method

   Scanner input = new Scanner(System.in);  // creates Scanner class object to take input from user

   System.out.println("Please Enter the Cost of the Item: ");  // prompts user to enter the cost of item

   double itemCost = input.nextDouble();  //scans and reads the input value of item cost

   System.out.println("Please Enter the Amount Paid: ");  // prompts user to enter the amount paid

   double amount = input.nextDouble();  //scans and reads the value of amount from user

   int change = (int)(amount * 100 - itemCost * 100);  //compute the remaining amount i.e. change

   System.out.println("Change Owed: " + change / 100.0);  // displays the owed change

   int quarters = change / 25;  // computes the value for quarters

   change = change % 25;  // compute the quarters remaining

   int dimes = change / 10;  //  computes dimes

   change = change % 10;  //  computes dimes remaining

   int nickels = change / 5;  // computes nickels

   change = change % 5;  // compute nickels remaining

   int pennies = change;  // computes pennies

   System.out.println("Quarters: " + quarters);  // displays computed value of quarters

   System.out.println("Dimes: " + dimes);  // displays value of dimes

   System.out.println("Nickels: " + nickels);  // displays value of nickels

   System.out.println("Pennies: " + pennies);   }} //displays value of pennies

Explanation:

I will explain the program with an examples.

Suppose the user enters 4.57 as cost of the item and 5.00 as amount paid. Then the program works as follows:

Change is computed as

change = (int)(amount * 100 - itemCost * 100);

This becomes;

change = (int)(5.00 * 100 - 4.57 * 100)

            = 500 - 457

change = 43

Now the change owed is computed as:

change / 100.0 = 43/100.0 = 0.43

Hence change owed = 0.43

Next quarters are computed as:

quarters = change / 25;

This becomes:

quarters = 43/25

quarters = 1

Now the remaining is computed as:

   change = change % 25;

This becomes:

   change = 43 % 25;

  change = 18

Next the dimes are computed from remaining value of change as:

dimes = change / 10;

dimes = 18 / 10

dimes = 1

Now the remaining is computed as:

   change = change % 10;

This becomes:

   change = 18 % 10

  change = 8

Next the nickels are computed from remaining value of change as:

nickels = change / 5;

nickels = 8 / 5

nickels = 1

Now the remaining is computed as:

   change = change % 5;

This becomes:

   change = 8 % 5

  change = 3

At last the pennies are computed as:

pennies = change;

pennies = 3

So the output of the entire program is:

Change Owed: 0.43                                                                                                                Quarters: 1                                                                                                                      Dimes: 1                                                                                                                         Nickels: 1                                                                                                                       Pennies: 3  

The screenshot of the output is attached.

7 0
3 years ago
________ is the process of translating a task into a series of commands that a computer will use to perform the task.
IgorC [24]
Programming 
It can also be described as Reverse Engineering 
7 0
3 years ago
Demote the "Arrive and leave at the same time each day." List item, and then promote the "Respect" list item.
garri49 [273]

Answer:

Dear

<h3>You should wear something professional. A tie, suit, classy dress, heels. You are more likely to be hired if you make it look like you take pride in your appearance. Also, depending on what kind of job you are applying for, the outfits can vary as well.</h3>

Explanation:

Black is too formal for interviews, and earth tones are too casual. Two-button suits are the professional standard.

7 0
3 years ago
¿Cuál crees tú sea la finalidad de los virus informático, y porque son creados? ¿Cuáles son las precauciones y / o recomendacion
pantera1 [17]

Un virus informático es un tipo de programa de software malicioso ("malware") que, cuando se ejecuta, se replica modificando otros programas informáticos e insertando su propio código. Cuando esta replicación tiene éxito, se dice que las áreas afectadas están "infectadas" con un virus informático.

Un virus informático es un tipo de programa de software malicioso ("malware") que, cuando se ejecuta, se replica modificando otros programas informáticos e insertando su propio código. Cuando esta replicación tiene éxito, se dice que las áreas afectadas están "infectadas" con un virus informático.

lo mejor es mantener tu computadora actualizada

6 0
3 years ago
Write a statement that terminates the current loop when the value of the int variables x. and y.are equal
lakkis [162]
To <span>rite a statement that terminates the current loop when the value of the int variables x. and y.are equal please check below:
</span>
if (x == y) break; // exit loop 

I hope the answer will help you. Thank you. 

6 0
3 years ago
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