Can someone help me answer this, I can’t fail tysm :)

Which of these is a necessary component of any computer?

Aleonysh [2.5K]

Answer:

Components:

Components:1.Motherboard:

The motherboard is the core of the system. It really is the PC; everything else is connected to it, and it controls everything in the system. 2.Processor:

2.processor:

The processor is often thought of as the "engine" of the computer. It's also called the CPU (central processing unit).

3.Memory (RAM):

The system memory is often called RAM (for random access memory). This is the primary memory, which holds all the programs and data the processor is using at a given time.

4.Case/chassis:

The case is the frame or chassis that houses the motherboard, power supply, disk drives, adapter cards, and any other physical components in the system.

5.Power supply:

The power supply is what feeds electrical power to every single part in the PC.

6.Floppy drive:

The floppy drive is a simple, inexpensive, low-capacity, removable-media, magnetic storage device.

7.Hard drive:

The hard disk is the primary archival storage

memory for the system.

8.CD-ROM/DVD-ROM:

CD-ROM (compact disc read-only) and DVD-ROM (digital versatile disc read-only) drives are relatively high-capacity, removable media, optical drives.

9.Keyboard:

The keyboard is the primary device on a PC that is used by a human to communicate with and control a system.

10.Mouse

Although many types of pointing devices are on the market today, the first and most popular device for this purpose is the mouse.

11.Video card:

The video card controls the information you see on the monitor.

12.Monitor:

Monitor is output device.

13.Sound card:

It enables the PC to generate complex

sounds.

14.Modem:

Most prebuilt PCs ship with a modem (generally an internal modem).

6 0

2 years ago

Data hiding, which means that critical data stored inside the object is protected from code outside the object, is accomplished

algol [13]

Answer:

Option (D) using the private access specifier on the class fields

Explanation:

The private access modifier can be used to hide the data.
Methods and data variables ( fields ) can be declared with the private access modifier.
Data hiding is a OOPS Concept which can be achieved with the private keyword (private access modifier).
The access modifiers are of types Public, Private, Protected and Default ( no access modifier - no need to explicitly specify the default keyword).
Data hiding means to hide the data, the data is contained in the class variables.So, option (d) using private access modifier on the class fields is correct option.
Option (A) is wrong as the using the public access modifier doesn't hide anything. It is public and is visible to the public.
Option (B) is wrong as using the private access modifier on the methods means it is hiding the implementation of the methods not the data.
Option (C) is wrong as using private access modifiers on class definition means making the classes not visible to other classes it doesn't mean data hiding as the data is contained in the class variables.

7 0

3 years ago

What does the following program do? student = 1 while student <= 3: total = 0 for score in range (1,4): score = int(input("En

sukhopar [10]

Answer:

The code requests for the scores of three students for three courses offered by each student.

It calculates and print the average score for each student

Explanation:

The code written in Python programming language uses a while to get student 1-3 and a for loop to get scores for course 1-3

See attached code and output

6 0

3 years ago

In a food chain are living creatures that eat organisms from a diferente population?

marysya [2.9K]

I’m thinking predator? Or maybe consumer?

3 0

2 years ago

Read 2 more answers

Write a method getIntVal that will get the correct value input as integer numbers from the user. The input will be validated bas

Setler [38]

Answer:

import java.util.Scanner;

public class Main

{

//Create a Scanner object to be able to get input

public static Scanner input = new Scanner(System.in);

public static void main(String[] args) {

//Ask the user to enter the lowest and highest values

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

int lowest = input.nextInt();

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

int highest = input.nextInt();

//Call the method with parameters, lowest and highest

getIntVal(lowest, highest);

}

//getIntVal method

public static void getIntVal(int lowest, int highest){

//Create a while loop

while(true){

//Ask the user to enter the number in the range

System.out.print("Enter a number between " + lowest + " and " + highest + ": ");

int number = input.nextInt();

//Check if the number is in the range. If it is, stop the loop

if(number >= lowest && number <= highest)

break;

//If the number is in the range,

//Check if it is smaller than the lowest. If it is, print a warning message telling the lowest value

if(number < lowest)

System.out.println("You must enter a number that is greater than or equal to " + lowest);

//Check if it is greater than the highest. If it is, print a warning message telling the highest value

else if(number > highest)

System.out.println("You must enter a number that is smaller than or equal to " + highest);

}

Explanation:

*The code is in Java.

You may see the explanation as comments in the code

4 0

3 years ago