Established 2026 · Free Educational Resources for All

Computer & AI · Self Assessment

Practice Test: Parts of a Computer

A 100-mark paper covering "Parts of a Computer: The Complete Guide" — multiple choice, true/false, fill-in-the-blank, column matching, and short answer, all auto-graded instantly.

EDUSAMBAM Editorial Team · 45 questions · 100 marks · Instant self-assessment

Questions

100

Marks

Sections

100%

Auto-Graded

Section	Questions	Marks Each	Total
A — Multiple Choice	15	2	30
B — True / False	10	2	20
C — Fill in the Blank	10	2	20
D — Column Matching	5 pairs	2	10
E — Short Answer	5	4	20
Total	45	—	100

Fill-in-the-blank and short-answer questions are checked automatically against accepted answers — exact wording doesn't need to match, but the key term should be present.

0 of 45 answered

0/100

You scored 0%

Keep practicing

Section A — Multiple Choice

30 marks

15 questions · 2 marks each.

1.What do we call the parts of a computer you can physically touch?Basic2 pts

A. Software

B. Hardware

C. Firmware only

D. Bandwidth

2.Which part shows pictures and video, letting you see the computer's output?Basic2 pts

A. Keyboard

B. Mouse

C. Monitor

D. Microphone

3.What does CPU stand for?Basic2 pts

A. Computer Print Unit

B. Central Power Unit

C. Central Processing Unit

D. Core Programming Unit

4.An input device sends information...Basic2 pts

A. Nowhere

B. Only to a printer

C. Out of the computer

D. Into the computer

5.Which of these is an output device?Basic2 pts

A. Mouse

B. Speaker

C. Microphone

D. Keyboard

6.Which part keeps your files safe even after the computer is turned off?Basic2 pts

A. RAM

B. Storage (hard drive/SSD)

C. Speaker

D. Cache

7.What job does the CPU do?Basic2 pts

A. It thinks and decides what to do next, like a brain

B. It plays music only

C. It prints paper

D. It cleans the screen

8.Which computer folds up with everything built in, so you can carry it anywhere?Basic2 pts

A. Desktop computer

B. Server

C. Printer

D. Laptop

9.What does the motherboard do?Basic2 pts

A. Cools the CPU

B. Connects nearly every other part together

C. Stores files permanently

D. Connects to Wi-Fi only

10.A CPU's clock speed is measured in which unit?Basic2 pts

A. Volts

B. Bytes

C. Pixels

D. Gigahertz (GHz)

11.Which chip is specially built to handle graphics and video?Basic2 pts

A. ROM

B. GPU

C. RAM

D. USB

12.Which port carries both video and audio to a monitor or TV?Basic2 pts

A. HDMI

B. Headphone jack

C. Ethernet

D. USB only

13.A server is usually built to...Basic2 pts

A. Print documents only

B. Serve information to many other computers at once

C. Play music only

D. Scan paper documents

14.Which sensor lets a screen rotate automatically when you tilt a device?Basic2 pts

A. Fingerprint sensor

B. Accelerometer

C. GPS receiver

D. Ambient light sensor

15.Which of these is an embedded computer, not a general-purpose one?Basic2 pts

A. A laptop

B. A desktop computer

C. A tablet

D. The chip controlling a washing machine's spin cycle

Section B — True / False

20 marks

10 questions · 2 marks each.

16.A keyboard is an output device.Intermediate2 pts

True

False

17.The CPU is often called the "brain" of the computer.Intermediate2 pts

True

False

18.RAM keeps all its data even when the power is turned off.Intermediate2 pts

True

False

19.An SSD has a spinning disk with moving mechanical parts.Intermediate2 pts

True

False

20.The motherboard connects nearly every other part of the computer together.Intermediate2 pts

True

False

21.A GPU is specially built to handle graphics and video processing.Intermediate2 pts

True

False

22.The BIOS/UEFI runs after the operating system has already loaded.Intermediate2 pts

True

False

23.Binary only ever uses the digits 0 and 1.Intermediate2 pts

True

False

24.A laptop and a desktop computer contain completely different basic parts.Intermediate2 pts

True

False

25.The embedded computer inside a washing machine has its own keyboard and monitor.Intermediate2 pts

True

False

Section C — Fill in the Blank

20 marks

10 questions · 2 marks each. Type the missing word or term.

26.The ______ is the large circuit board inside the case that every other part plugs into.Intermediate2 pts

27.The electrical pathways printed on the motherboard that carry data between parts are called ______.Intermediate2 pts

28.Small, ultra-fast memory located right next to the CPU's cores is called ______.Intermediate2 pts

29.Memory that keeps its instructions even without power is called ______.Intermediate2 pts

30.A storage drive with no moving parts, generally faster than a traditional hard disk, is called an ______.Intermediate2 pts

31.The ______ port is a flexible, all-purpose port used for keyboards, mice, and storage drives.Intermediate2 pts

32.The device in your home that directs internet traffic to every connected device is called a ______.Intermediate2 pts

33.The sensor that detects movement and tilt so a screen can rotate automatically is called a(n) ______.Intermediate2 pts

34.The small built-in program that checks a computer's parts before the operating system loads is called the ______.Intermediate2 pts

35.A single 1 or 0 in binary is called a ______.Intermediate2 pts

Section D — Column Matching

10 marks

Use the ▲ ▼ buttons to reorder Column B until each row lines up with the correct part in Column A. 2 marks per correct pair.

36–40.Match each part to its function.Advanced10 pts

Column A

CPU

GPU

RAM

SSD

BIOS / UEFI

Column B

Handles graphics and video processing

Fast memory that forgets everything when power turns off

Storage with no moving parts, faster than a hard disk

Wakes the computer up and checks its parts before the OS loads

The computer's brain that processes instructions

Section E — Short Answer

20 marks

5 questions · 4 marks each. Answer in one or two sentences.

41.Explain in one sentence why an SSD is generally faster than a traditional hard disk drive (HDD).Advanced4 pts

42.What is the key difference between RAM and ROM?Advanced4 pts

43.Name at least one component that needs active cooling because it generates significant heat.Advanced4 pts

44.Write out in full what the acronym CPU stands for.Advanced4 pts

45.Give one example of an embedded computer and the everyday object it's built into.Advanced4 pts

← Back to Parts of a Computer