Hardware Components Quiz: Test Your Knowledge on Computer Hardware

Question 1

Which of the following is NOT a crucial hardware component of a computer system?

Accepted Answer

Monitor

Answer

Processor

Answer

Memory (RAM)

Answer

Storage (hard drive/SSD)

Question 2

Which of these is NOT a hardware component inside a computer?

Accepted Answer

Monitor

Answer

CPU

Answer

RAM

Answer

Hard Drive

Question 3

Which hardware component executes the instructions in a computer program?

Accepted Answer

CPU

Answer

Hard drive

Answer

Graphics card

Answer

Motherboard

Question 4

Which of the following is NOT a hardware component of a computer system?

Accepted Answer

Software

Answer

Motherboard

Answer

Central processing unit

Answer

Random access memory

Question 5

What is the primary role of the motherboard in a computer system?

Accepted Answer

Connects all other hardware components

Answer

Stores data and instructions

Answer

Processes data and executes instructions

Answer

Provides an interface for user input and output

Question 6

Which of the following is a type of secondary storage device used in computers?

Accepted Answer

Hard disk drive

Answer

Random access memory

Answer

Central processing unit

Answer

Power supply unit

Question 7

What is the function of the power supply unit (PSU) in a computer system?

Accepted Answer

To provide electricity to all other hardware components

Answer

To store data temporarily

Answer

To process data and execute instructions

Answer

To connect all other hardware components

Question 8

Which of the following is a characteristic of a solid-state drive (SSD) compared to a traditional hard disk drive?

Accepted Answer

Is generally faster

Answer

Uses spinning disks to store data

Answer

Is less expensive

Answer

Is less reliable

Question 9

What is the primary function of the central processing unit (CPU) in a computer system?

Accepted Answer

To process data and execute instructions

Answer

To store data and instructions

Answer

To connect all other hardware components

Answer

To provide an interface for user input and output

Question 10

What is the primary purpose of random access memory (RAM) in a computer system?

Accepted Answer

To store data and instructions that are currently being processed

Answer

To store data that is not currently being used

Answer

To store data permanently

Answer

To provide an interface for user input and output

Question 11

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

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Hard disk drive

Question 12

What is the primary function of a graphics card in a computer system?

Accepted Answer

To process and display images on the monitor

Answer

To store data and instructions

Answer

To process data and execute instructions

Answer

To provide an interface for user input and output

Question 13

Which of the following is NOT a type of computer memory?

Accepted Answer

Central Processing Unit (CPU)

Answer

RAM

Answer

ROM

Answer

Hard Disk Drive (HDD)

Question 14

What is the primary function of a motherboard in a computer system?

Accepted Answer

Connect all hardware components

Answer

Provide power to all components

Answer

Execute instructions and perform calculations

Answer

Store data permanently

Question 15

Which of the following is a device primarily used for storing data?

Accepted Answer

Hard Disk Drive (HDD)

Answer

Keyboard

Answer

Processor

Answer

Monitor

Question 16

What is the purpose of a graphics card in a computer system?

Accepted Answer

To enhance the display of visuals and graphics

Answer

To increase the overall processing speed of the system

Answer

To provide additional storage space for data

Answer

To establish a connection to the internet

Question 17

Which of the following is considered a peripheral device?

Accepted Answer

Printer

Answer

Motherboard

Answer

Processor

Answer

Hard Disk Drive (HDD)

Question 18

How do a bit and a byte differ in terms of size?

Accepted Answer

A bit is eight times smaller than a byte.

Answer

A byte is eight times smaller than a bit.

Answer

They are the same size.

Answer

A bit represents a storage unit, while a byte represents a processing speed unit.

Question 19

What is the primary purpose of a power supply unit (PSU) in a computer system?

Accepted Answer

Provide power to all components

Answer

Store data securely

Answer

Perform mathematical calculations

Answer

Connect various hardware components

Question 20

When selecting a processor, which of the following factors is NOT relevant to consider?

Accepted Answer

Colour of the processor

Answer

Clock speed

Answer

Number of cores

Answer

Cache size

Question 21

What is the main function of a cooling system in a computer?

Accepted Answer

To prevent overheating of components

Answer

To increase the processing speed

Answer

To store data and files

Answer

To supply power to the system

Question 22

Which of the following types of memory loses its contents when the computer is turned off?

Accepted Answer

RAM

Answer

ROM

Answer

Hard disk drive

Answer

Optical drive

Question 23

What is the primary function of a motherboard in a computer system?

Accepted Answer

To connect and control all the components.

Answer

To store data and programs.

Answer

To process data.

Answer

To display output.

Question 24

Which of the following is NOT a common type of expansion card?

Accepted Answer

Processor

Answer

Graphics card

Answer

Network card

Answer

Sound card

Question 25

What is the primary purpose of a power supply unit (PSU) in a computer?

Accepted Answer

To provide electrical power to the computer's components.

Answer

To store data.

Answer

To process data.

Answer

To display output.

Question 26

Which of the following is NOT a hardware component of a computer system?

Accepted Answer

Antivirus software

Answer

Central Processing Unit (CPU)

Answer

Sound card

Answer

Graphics card

Question 27

What is the main function of the motherboard?

Accepted Answer

To connect and manage all other hardware components

Answer

To store and retrieve data

Answer

To process instructions and perform calculations

Answer

To generate and display images and videos

Question 28

Which of these is a type of secondary storage device?

Accepted Answer

Hard disk drive (HDD)

Answer

Central Processing Unit (CPU)

Answer

Random Access Memory (RAM)

Answer

Graphics Processing Unit (GPU)

Question 29

What is the difference between RAM and ROM?

Accepted Answer

RAM is volatile and ROM is non-volatile

Answer

ROM is volatile and RAM is non-volatile

Answer

RAM is used to run programs, while ROM stores the computer's operating system

Answer

ROM is used to run programs, while RAM stores the computer's operating system

Question 30

Which component is responsible for converting digital signals into analog signals when you connect external speakers?

Accepted Answer

Sound card

Answer

Modem

Answer

Network card

Answer

Graphics card

Question 31

What is the main purpose of a power supply unit (PSU)?

Accepted Answer

To convert AC power to DC power and provide it to the computer's components

Answer

To store and retrieve data

Answer

To process instructions and perform calculations

Answer

To generate and display images and videos

Question 32

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

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Motherboard

Question 33

What is the purpose of a CPU fan?

Accepted Answer

To cool the CPU and prevent overheating

Answer

To store and retrieve data

Answer

To connect and manage all other hardware components

Answer

To generate and display images and videos

Question 34

What is the main purpose of a BIOS?

Accepted Answer

To initialize and configure hardware components during startup

Answer

To store and retrieve data

Answer

To process instructions and perform calculations

Answer

To generate and display images and videos

Question 35

What is the main purpose of a computer case?

Accepted Answer

Protect internal components

Answer

Provide power to the system

Answer

Store data

Answer

Execute instructions

Question 36

Which of the following is NOT a hardware component of a computer system?

Accepted Answer

Software

Answer

Processor

Answer

Monitor

Answer

Memory

Question 37

What is the primary function of the processor in a computer system?

Accepted Answer

To execute instructions and perform calculations

Answer

To store data and programs

Answer

To display output to the user

Answer

To connect the computer to the Internet

Question 38

Which type of memory is volatile and loses its data when power is turned off?

Accepted Answer

RAM

Answer

ROM

Answer

Hard disk drive

Answer

Solid state drive

Question 39

What is the main purpose of a graphics card in a computer system?

Accepted Answer

To improve the display quality of images and videos

Answer

To increase the processing speed of the computer

Answer

To provide additional storage space

Answer

To connect external devices to the computer

Question 40

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

Accepted Answer

Keyboard

Answer

Printer

Answer

Monitor

Answer

Hard disk drive

Question 41

What is the name of the software that manages the hardware components of a computer system?

Accepted Answer

Operating system

Answer

Application software

Answer

Firmware

Answer

Driver

Question 42

What is the purpose of a firewall in a computer system?

Accepted Answer

To protect the system from unauthorized access

Answer

To improve the performance of the system

Answer

To store data securely

Answer

To connect different networks together

Question 43

Which of the following is a type of data storage device that uses laser technology to read and write data?

Accepted Answer

Optical disc drive

Answer

Hard disk drive

Answer

Flash drive

Answer

Solid state drive

Question 44

What is the difference between a laptop and a desktop computer?

Accepted Answer

A laptop is portable while a desktop computer is not

Answer

A desktop computer is faster than a laptop

Answer

A laptop has a smaller screen than a desktop computer

Answer

A desktop computer has a better sound system than a laptop

Question 45

What is the main function of the central processing unit (CPU) in a computer system?

Accepted Answer

To execute instructions and control the flow of data and programs

Answer

To store data and programs permanently

Answer

To process graphical data

Question 46

Which component provides temporary storage for data and programs during computer operation?

Accepted Answer

Random access memory (RAM)

Answer

Central processing unit (CPU)

Answer

Graphics processing unit (GPU)

Answer

Hard disk drive (HDD)

Question 47

What is the primary purpose of a graphics card in a computer system?

Accepted Answer

To process and display images, videos, and other graphical content

Answer

To store data

Answer

To connect to the internet

Answer

To control the flow of data

Question 48

Which component serves as the central connection point for various hardware components in a computer system?

Accepted Answer

Motherboard

Answer

Random access memory (RAM)

Answer

Hard disk drive (HDD)

Answer

Central processing unit (CPU)

Question 49

What is the function of the power supply unit (PSU) in a computer system?

Accepted Answer

To convert alternating current (AC) power to direct current (DC) power and distribute it to the computer's components

Answer

To process instructions

Answer

To store data

Question 50

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

Accepted Answer

Keyboard

Answer

Central processing unit (CPU)

Answer

Monitor

Question 51

What is the role of a scanner in a computer system?

Accepted Answer

To convert physical documents or images into digital format

Answer

To control the flow of data

Answer

To display images on the screen

Answer

To store data

Question 52

Which of the following is a type of network connection commonly used to connect devices in a wired network?

Accepted Answer

Ethernet

Answer

Hard disk drive (HDD)

Answer

Central processing unit (CPU)

Answer

Random access memory (RAM)

Question 53

What is the purpose of a modem in a computer system?

Accepted Answer

To convert digital signals to analog signals and vice versa, enabling data transmission over telephone lines

Answer

To process instructions

Answer

To store data