Computers & Hardware Quiz

Question 1

What does 'CPU' stand for?

Accepted Answer

Central Processing Unit

Answer

Core Program Utility

Answer

Computer Power Unit

Answer

Central Program Uploader

Question 2

What does 'RAM' stand for?

Accepted Answer

Random Access Memory

Answer

Read Access Memory

Answer

Rapid Application Module

Answer

Remote Access Module

Question 3

What is the difference between an HDD and an SSD?

Accepted Answer

HDD uses spinning magnetic disks; SSD uses flash memory (no moving parts)

Answer

HDD is faster; SSD is older technology

Answer

SSD uses spinning magnetic disks; HDD uses flash memory

Answer

They are exactly the same technology

Question 4

What is the binary number system?

Accepted Answer

A base-2 system using only 0 and 1

Answer

A system using digits 0–9

Answer

A system using hexadecimal values

Answer

A system used only in computer networking

Question 5

How many bits are in one byte?

Accepted Answer

8

Answer

4

Answer

6

Answer

16

Question 6

What does 'GPU' stand for and what is it used for?

Accepted Answer

Graphics Processing Unit, for rendering images and video

Answer

General Processing Unit, for all tasks

Answer

Global Protocol Unit, for networking

Answer

Grid Processing Unit, for cloud computing

Question 7

What component connects all the hardware components inside a computer?

Accepted Answer

Motherboard

Answer

Power supply unit

Answer

CPU

Answer

RAM

Question 8

What is 'overclocking' a processor?

Accepted Answer

Running a CPU at a higher speed than its official rating

Answer

Reducing CPU speed to save power

Answer

Adding more cores to a CPU

Answer

Installing a cooling system

Question 9

What is the purpose of a computer's power supply unit (PSU)?

Accepted Answer

To convert mains electricity to the voltages needed by computer components

Answer

To store data when the computer is off

Answer

To cool the computer's processor

Answer

To manage network connections

Question 10

What year was the first Apple Macintosh personal computer released?

Accepted Answer

1984

Answer

1977

Answer

1981

Answer

1987

Question 11

What does 'USB' stand for?

Accepted Answer

Universal Serial Bus

Answer

Universal System Bus

Answer

Unified Serial Bridge

Answer

Ultra Speed Bandwidth

Question 12

What is 'Moore's Law'?

Accepted Answer

The observation that transistor count in chips roughly doubles every 2 years

Answer

The law that hard drives fail within 5 years

Answer

A rule governing software update frequency

Answer

The principle that computing costs halve every 18 months

Question 13

Which company makes the Core i5 and Core i9 processor lines?

Accepted Answer

Intel

Answer

AMD

Answer

ARM

Answer

Qualcomm

Question 14

What is 'thermal paste' used for in a PC build?

Accepted Answer

Improving heat transfer between the CPU and its cooler

Answer

Cooling the RAM modules

Answer

Sealing the case from dust

Answer

Lubricating fan bearings

Question 15

What type of display technology uses organic compounds that emit light when electricity is applied?

Accepted Answer

OLED

Answer

LCD

Answer

IPS

Answer

TN panel

Question 16

What is the main function of a computer's operating system?

Accepted Answer

To manage hardware resources and provide a platform for software

Answer

To connect to the internet

Answer

To run antivirus software

Answer

To speed up the CPU

Question 17

What is a 'transistor' in the context of electronics?

Accepted Answer

A semiconductor device used to amplify or switch electronic signals

Answer

A type of battery

Answer

A type of display pixel

Answer

A computer cooling fan

Question 18

What does 'Bluetooth' allow devices to do?

Accepted Answer

Communicate with each other wirelessly over short distances

Answer

Connect to the internet wirelessly

Answer

Transfer files over long distances

Answer

Display content from a phone on a TV

Question 19

What was the name of the first commercially sold personal computer?

Accepted Answer

MITS Altair 8800

Answer

Apple I

Answer

IBM PC

Answer

Commodore PET

Question 20

What is 'BIOS' in a computer?

Accepted Answer

The firmware that initialises hardware during the boot process

Answer

A type of antivirus software

Answer

A type of operating system

Answer

A hardware security chip