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Worksheets

class 4 Revision

Total questions: 50

Worksheet time: 30mins

Name
Class
Date
1.

While assembling a computer for a school project, Sonam notices a large green board where everything connects. What is this component called?

a)

Power Supply Unit

b)

RAM

c)

Hard Drive

d)

Motherboard

2.

During a computer game, the screen suddenly freezes. Tshering suspects the part responsible for calculations might be overloaded. What component is likely causing this?

a)

Motherboard

b)

RAM

c)

Processor

d)

Hard Drive

3.

Dechen is editing a video, and her computer slows down. She realizes it's due to limited space for active data. Which component is most responsible?

a)

Hard Drive

b)

Power Supply Unit

c)

RAM

d)

Network Card

4.

In a computer lab, the network goes down. Karma checks a specific card inside the computer to see if it's faulty. What is this?

a)

Processor

b)

RAM

c)

Network Interface Card (NIC)

d)

Power Supply Unit

5.

While using a word processor, the computer processes input quickly and shows results on the screen. Which internal communication helps this process?

a)

RAM storing data

b)

CPU processing via motherboard

c)

Power Supply providing power

d)

NIC transmitting data

6.

A computer won’t start. Dorji suspects the component that provides electricity inside is malfunctioning. What component is this?

a)

Power Supply Unit

b)

Motherboard

c)

RAM

d)

NIC

7.

Dawa is transferring her project files and wonders where long-term data is stored. Which component stores these files?

a)

Processor

b)

Hard Drive

c)

RAM

d)

NIC

8.

Phuntsho connects a USB device, but it doesn’t work. He realizes the issue might be with internal connections. Which part is crucial for this?

a)

NIC

b)

Motherboard

c)

Processor

d)

Power Supply Unit

9.

Tshering is comparing a desktop and a laptop. She observes internal components are hidden inside both, while peripherals are attached outside. What does this describe?

a)

External hardware only

b)

Hardware design

c)

Internal vs. external hardware

d)

Input/output devices

10.

During a video call, Dechen notices slow data transfer. Which internal component might be responsible?

a)

Power Supply Unit

b)

Hard Drive

c)

RAM

d)

Network Interface Card (NIC)

11.

Pema wants her report to look neat with proper alignment. How can she improve the layout?

a)

Use font color

b)

Use paragraph alignment

c)

Change line spacing

d)

Add images

12.

Sonam types a title in her report and wants it to stand out. Which feature should she adjust?

a)

Line spacing

b)

Font size

c)

Font type

d)

Margins

13.

Dechen is typing Dzongkha but sees strange symbols. What does she need to install?

a)

Special font

b)

Unicode

c)

Keyboard driver

d)

Font color

14.

Tashi wants her project headings to be eye-catching. Which feature should she use?

a)

Font color

b)

Line spacing

c)

Paragraph alignment

d)

Margin settings

15.

Karma formats a list of steps and wants it to appear structured. What should she apply?

a)

Line spacing

b)

Font color

c)

Indentation

d)

Paragraph alignment

16.

Tshering’s teacher comments her report is hard to read. What formatting should she adjust for clarity?

a)

Font color

b)

Font size

c)

Line spacing

d)

Font type

17.

Dawa explains to a friend that paragraph formatting controls which elements?

a)

Font type

b)

Font color

c)

Alignment, spacing, indentation

d)

Unicode

18.

Dechen highlights text in her report to emphasize it. What effect is she applying?

a)

Bold

b)

Indentation

c)

Line spacing

d)

Font type

19.

Sonam sets up Dzongkha typing for a project. Which script is used?

a)

Latin

b)

Tibetan

c)

Cyrillic

d)

Devanagari

20.

Karma designs her project document for clarity. Why is proper formatting essential?

a)

It reduces text length

b)

It improves clarity, structure, and presentation

c)

It changes document language

d)

It adds more graphics

21.

The (a)   acts as the brain of the computer.

22.

A __________ provides power to internal components.

4 lines
23.

Temporary data used by the CPU is stored in (a)   .

24.

The __________ connects the computer to a network.

4 lines
25.

A hard drive uses (a)   storage for long-term data.

26.

Sonam’s father runs an online shop. How does the Internet help expand his business?

a)

Restricts reach

b)

Enables instant global reach and marketing

c)

Increases paperwork

d)

Reduces online interaction

27.

Dechen consults with a doctor online. What makes this possible?

a)

Manual data exchange

b)

Faxed reports

c)

Internet-based communication and data access

d)

Phone calls

28.

Karma wants to research for her project. Which tool helps her?

a)

E-books

b)

Search engines

c)

Word processors

d)

USB drives

29.

Pema pays her school fees online from home. How does this benefit her?

a)

In-person payment

b)

Cash only

c)

Offers convenient, secure services

d)

Requires mailing checks

30.

Dechen’s class uses videos and articles for learning. How does the Internet support this?

a)

Reduces resources

b)

Provides diverse, accessible materials

c)

Increases textbook use

d)

Restricts learning

31.

Tshering sets up her computer at home and connects it to Druknet. What is Druknet an example of?

a)

Streaming service

b)

Internet Service Provider (ISP)

c)

Payment platform

d)

Social network

32.

Dechen video calls her grandmother abroad. What enables this connection?

a)

Postal mail

b)

USB cables

c)

Instant, global connectivity

d)

Satellite TV

33.

Pema notices her parents use secure websites. What makes online transactions safe?

a)

Limited access

b)

Encryption and authentication

c)

In-person validation

d)

Disabling features

34.

Tshering relaxes with movies after school. Which service provides this?

a)

Druknet

b)

Google

c)

Streaming platforms

d)

MS Word

35.

Dechen’s teacher assigns online classes. Which technology supports this?

a)

Paper mail

b)

Printed books

c)

Online courses and resources

d)

Radio broadcasts

36.

Sonam adjusts her chair and screen height before homework. Why is this helpful?

a)

Increases discomfort

b)

Reduces productivity

c)

Creates a comfortable, efficient workspace

d)

Causes strain

37.

Dechen’s back hurts from sitting incorrectly. What should she adjust?

a)

Monitor color

b)

Desk height

c)

Body posture

d)

Keyboard type

38.

Tshering’s school installs adjustable desks. How will this help?

a)

Causes poor posture

b)

Increases eye strain

c)

Allows changing working positions

d)

Restricts movement

39.

Karma works long hours. How can she protect her eyes?

a)

Ignore breaks

b)

Use low screen brightness

c)

Take regular breaks

d)

Sit closer to screen

40.

Pema finds her screen too bright. How can she reduce eye strain?

a)

Increase brightness

b)

Dim the room

c)

Adjust screen brightness

d)

Cover the screen

41.

Dechen’s school invests in ergonomic keyboards. How does this help?

a)

Causes wrist strain

b)

Increases slouching

c)

Supports natural posture and movement

d)

Limits typing speed

42.

Sonam’s neck hurts after using the computer. How can she fix this?

a)

Lower the monitor

b)

Raise her chair

c)

Keep monitor at eye level

d)

Tilt monitor down

43.

Tshering uses a footrest. How does this help?

a)

Reduces leg movement

b)

Increases discomfort

c)

Maintains proper leg positioning

d)

Forces awkward posture

44.

Dechen improves her workspace lighting. What benefit does this bring?

a)

Creates glare

b)

Darkens the room

c)

Reduces eye strain and improves focus

d)

Blocks visibility

45.

Pema chooses a chair with lumbar support. Why is this important?

a)

Causes slouching

b)

Reduces comfort

c)

Provides lumbar support and comfort

d)

Lowers leg height

46.

The (a)   enables global computer connectivity.

47.

An example of an ISP is (a)   .

48.

Online banking enhances security using (a)   .

49.

The Internet supports (a)   learning.

50.

Search engines like Google help (a)   relevant data.