Explanation

Examples of Input Devices

1.       Keyboard.

2.       Mouse.

3.       Touchpad.

4.       Scanner.

5.       Digital Camera.

6.       Microphone.

7.       Joystick.

8.       Graphic Tablet

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RY17-012-23

Explanation

Computer hardware is the physical parts or components of a computer, such as:

• the central processing unit
• monitor
• keyboard
• computer data storage
• graphic card
• sound card
• and motherboard.

ND11-2-2023

Explanation

Following are the functions of a operating system.

1. Allocates resources
2. Monitor Activities
3. Manages disks and files

Explanation

The Arithmetic and Logic Unit (ALU) performs logical operations in the Central Processing Unit (CPU).

An arithmetic-logic unit is the part of a central processing unit that carries out arithmetic and logic operations.

Explanation

A firewall is a software or firmware that prevents unauthorized access to a network.

A firewall inspects incoming and outgoing traffic using a set of rules to identify and block threats.

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Explanation

A pointing device is an input interface that allows a user to input data to a computer using physical gestures - point, click, and drag.

Mouse, Light-pen, Trackball & Joystick are examples of Pointing Devices.

Explanation

When we use under as a preposition,

it is similar to below.

We use under to talk about something that is below or lower than something else:

The cat is under the table.

Explanation

She has a big red ball

In English, when using multiple adjectives, we typically follow this order:

Opinion → Size → Age → Shape → Color → Origin → Material → Purpose + Noun

So in this case:

big = size

red = color

Correct order: "big red ball"