Competitive Exams : Computer Awareness - Computer and IT Hardware (Set 1)

Question 1

Which of the following is considered the "brain" of the computer system?

Accepted Answer

C) Central Processing Unit

Answer

A) RAM

Answer

B) Hard Disk Drive

Answer

D) Motherboard

Question 2

Which of these is an example of a volatile memory?

Accepted Answer

B) RAM

Answer

A) ROM

Answer

C) Hard Drive

Answer

D) SSD

Question 3

What is the primary function of an Input Device?

Accepted Answer

A) To send data to the computer

Answer

B) To display information from the computer

Answer

C) To store data permanently

Answer

D) To process data within the computer

Question 4

Which of the following components is essential for a computer to connect to a network?

Accepted Answer

D) Network Interface Card

Answer

A) Graphics Card

Answer

B) Sound Card

Answer

C) USB Port

Question 5

Which type of printer uses toner powder to create images on paper?

Accepted Answer

B) Laser printer

Answer

A) Inkjet printer

Answer

C) Dot matrix printer

Answer

D) Thermal printer

Question 6

What is the purpose of the BIOS (Basic Input/Output System) in a computer?

Accepted Answer

A) To initialize hardware components during startup

Answer

B) To manage operating system tasks

Answer

C) To provide graphical user interface

Answer

D) To store user data permanently

Question 7

Which of these storage devices is a primary storage device?

Accepted Answer

C) Random Access Memory

Answer

A) Hard Disk Drive

Answer

B) Solid State Drive

Answer

D) USB Flash Drive

Question 8

A __________ is a circuit board containing the primary components of a computer system.

Accepted Answer

D) Motherboard

Answer

A) Graphics Card

Answer

B) Sound Card

Answer

C) Processor

Question 9

What is the full form of 'SSD' in the context of computer hardware?

Accepted Answer

A) Solid State Drive

Answer

B) Super Speed Disk

Answer

C) System Storage Device

Answer

D) Secure Storage Disk

Question 10

Which port is commonly used to connect peripherals like keyboards and mice to a computer?

Accepted Answer

B) USB

Answer

A) HDMI

Answer

C) Ethernet

Answer

D) VGA

Question 11

The Arithmetic Logic Unit (ALU) is a part of which computer component?

Accepted Answer

C) CPU

Answer

A) RAM

Answer

B) Hard Drive

Answer

D) Motherboard

Question 12

What is the main function of a graphics processing unit (GPU)?

Accepted Answer

A) To render images, animations, and video for display

Answer

B) To manage network connections

Answer

C) To store large amounts of data

Answer

D) To execute general-purpose program instructions

Question 13

Which of these is an optical storage device?

Accepted Answer

D) Blu-ray Disc

Answer

A) Hard Disk Drive

Answer

B) Solid State Drive

Answer

C) USB Flash Drive

Question 14

What does 'ROM' stand for in computer memory?

Accepted Answer

B) Read Only Memory

Answer

A) Random Only Memory

Answer

C) Run On Memory

Answer

D) Rapid Output Memory

Question 15

Which hardware component is responsible for cooling the CPU?

Accepted Answer

A) Heat sink and fan

Answer

B) Power supply unit

Answer

C) Hard drive

Answer

D) RAM module

Question 16

A 'bus' in computer architecture refers to:

Accepted Answer

C) A communication system that transfers data between components

Answer

A) A storage device

Answer

B) A software program

Answer

D) An input device

Question 17

Which type of monitor technology uses organic light-emitting diodes?

Accepted Answer

D) OLED

Answer

A) LCD

Answer

B) LED

Answer

C) CRT

Question 18

What is the primary role of cache memory?

Accepted Answer

A) To speed up data access between the CPU and main memory

Answer

B) To provide permanent storage for the operating system

Answer

C) To connect external peripheral devices

Answer

D) To convert analog signals to digital signals

Question 19

Which of the following is an example of an output device?

Accepted Answer

B) Speaker

Answer

A) Keyboard

Answer

C) Scanner

Answer

D) Microphone

Question 20

The component that supplies power to all other components in a computer system is called the:

Accepted Answer

A) Power Supply Unit (PSU)

Answer

B) Voltage Regulator Module (VRM)

Answer

C) Uninterruptible Power Supply (UPS)

Answer

D) Central Processing Unit (CPU)