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2 years ago

What refers to the processing of a substance or an object so that it may be used again?

Computers and Technology

2 answers:

Pavel [41]2 years ago

8 0

Answer:

recycling is the answer

cestrela7 [59]2 years ago

7 0

Answer: recycling

Explanation: deep-sixing,jettisoning,scrapping can not be used again hope this helps Bestie!

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You recently purchased a new laptop for home. You want to ensure that you are safe from malware. You should install a personal _

german

Answer:

You should install a personal firewall, a program that protects your computer from unauthorized access by blocking certain types of communications.

Explanation:

In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.

8 0

3 years ago

Write a Java program that can calculate and print out the area of a circle. The user enters data of the radius and its measureme

mezya [45]

Answer:

// program in java.

// package

import java.util.*;

// class definition

class Main

{

// main method of the class

public static void main (String[] args) throws java.lang.Exception

{

try{

// Scanner object to read input

Scanner scr=new Scanner(System.in);

// variables

double rad;

String unit1="in";

String unit2="ft";

String unit3="cm";

String unit4="m";

// ask user to enter radius

System.out.print("Enter the radius: ");

// read radius

rad=scr.nextDouble();

// check radius is negative or not

while(rad<0)

{

System.out.println("Radius can't be negative:");

// ask again to enter radius

System.out.print("Enter the Radius again:");

// read radius again

rad=scr.nextInt();

}

// ask user to enter the unit of measurement

System.out.print("Enter the unit (\"in\" for inch, \"ft\" for feet, \"cm\" for centimeter, and \"m\" for meter):");

// read unit

String unt=scr.next();

// calculate area

double area=3.14*rad*rad;

// print area and unit

if(unt.equals(unit1))

System.out.println(area+" inch.");

else if(unt.equals(unit2))

System.out.println(area+" feet.");

else if(unt.equals(unit3))

System.out.println(area+" centimeter.");

else if(unt.equals(unit4))

System.out.println(area+" meter.");

}catch(Exception ex){

return;}

}

Explanation:

Read radius of circle from user with Scanner object and assign it to variable "rad".Check the radius is negative or not.If the radius is negative ask user to enter radius again until user enters a positive radius.Then read the unit of measurement.calculate the area of circle and print area with unit.

Output:

Enter the radius: -4

Radius can't be negative:

Enter the Radius again:6

Enter the unit ("in" for inch, "ft" for feet, "cm" for centimeter, and "m" for meter):cm

Area of circle is 113.03999999999999 centimeter.

5 0

3 years ago

What is the keyboard shortcut for opening the edit hyperlink dialog box

Mademuasel [1]

That would be CTRL+K

https://quizlet.com/122913134/keyboard-shortcuts-flash-cards/

hope this helps!

7 0

3 years ago

1.Write a Java program to solve the following problem using modularity. Write a method that rotates a one-dimensional array with

Westkost [7]

Answer:

Explanation:

The following code is written in Java and it asks the user for the size of the array. Then it randomly populates the array and prints it. Next, it rotates all the elements to the right by 1 and prints the new rotated array.

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Random;

import java.util.Scanner;

class Brainly {

public static void main(String[] args) {

Random r = new Random();

Scanner in = new Scanner(System.in);

System.out.println("Enter Size of the Array: ");

int arraySize = in.nextInt();

ArrayList<Integer> myList = new ArrayList<>();

for (int x = 0; x < arraySize; x++) {

myList.add(r.nextInt(15));

}

System.out.println("List Before Rotation : " + Arrays.toString(myList.toArray()));

for (int i = 0; i < 1; i++) {

int temp = myList.get(myList.size()-1);

for (int j = myList.size()-1; j > 0; j--) {

myList.set(j, myList.get(j - 1));

}

myList.set(0, temp);

}

System.out.println("List After Rotation : " + Arrays.toString(myList.toArray()));

}

6 0

2 years ago

In comparing a computer to the human brain, the computer's hardware is like _____ and the computer's software is like _____.

Ne4ueva [31]

This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software.

Computer hardware is the collection of physical parts of a computer system. This includes the computer case, monitor, keyboard, and mouse. It also includes all the parts inside the computer case, such as the hard disk drive, motherboard, video card, and many others. Computer hardware is what you can physically touch.

8 0

3 years ago