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1ST TERM CBT EXAMINATION FOR YEAR 12 2025/2026

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

A computer network is best described as ________.

a)

A single computer

b)

A group of interconnected computers

c)

A computer without software

d)

A computer with a modem

2.

The main purpose of networking computers is to ________.

a)

Play games

b)

Share resources and information

c)

Increase computer speed

d)

Reduce power consumption

3.

The private network used within an organization is known as ________.

a)

Internet

b)

Extranet

c)

Intranet

d)

Ethernet

4.

Which of the following is NOT required for internet connection?

a)

Modem

b)

Browser

c)

ISP

d)

Printer

5.

The worldwide collection of connected computer networks is known as ________.

a)

Intranet

b)

LAN

c)

Internet

d)

Bluetooth

6.

The physical layout of a network is called ________.

a)

Protocol

b)

Topology

c)

Bandwidth

d)

Node

7.

Which protocol is used for receiving emails?

a)

SMTP

b)

POP3

c)

FTP

d)

HTTP

8.

A small network found within a school building is called a ________.

a)

WAN

b)

LAN

c)

MAN

d)

GAN

9.

A website address is also known as ________.

a)

DNS

b)

URL

c)

HTML

d)

ISP

10.

The device used to connect multiple network segments is called a ________.

a)

Router

b)

Mouse

c)

Hard disk

d)

Scanner

11.

LAN covers ________.

a)

A city

b)

A building or small area

c)

A country

d)

The whole world

12.

WAN is mainly used to connect computers in ________.

a)

A classroom

b)

A home

c)

Large geographical areas

d)

Within an office

13.

Bluetooth communication is an example of ________.

a)

MAN

b)

PAN

c)

WAN

d)

LAN

14.

The network type used in a university campus is a ________.

a)

MAN

b)

LAN

c)

GAN

d)

PAN

15.

The largest type of network is ________.

a)

WAN

b)

MAN

c)

PAN

d)

LAN

16.

In which topology is a central cable the backbone of the network?

a)

Star

b)

Bus

c)

Ring

d)

Mesh

17.

Star topology uses a central device known as ________.

a)

Hub

b)

Flash drive

c)

Modem

d)

Hard disk

18.

One major advantage of a star topology is ________.

a)

It is cheap to set up

b)

Easy to troubleshoot

c)

Failure of the central hub doesn’t affect others

d)

All cables must be wireless

19.

In a ring topology, data travels in ________.

a)

Two directions

b)

One direction

c)

Random pattern

d)

Zig-zag pattern

20.

Mesh topology is mostly used for ________.

a)

Small homes

b)

Big organizations that need full reliability

c)

Only mobile phones

d)

Flash drives

21.

Gmail is a service provided by ________.

a)

Yahoo

b)

Microsoft

c)

Google

d)

Facebook

22.

To create a Gmail account, you must provide ________.

a)

ATM card

b)

Username and password

c)

National ID number

d)

Antivirus

23.

The inbox in an email account is used to ________.

a)

Delete messages

b)

Read received messages

c)

Compose a new mail

d)

Change password

24.

The “Cc” in email means ________.

a)

Central copy

b)

Creative copy

c)

Carbon copy

d)

Camera copy

25.

The feature used to send a document with a mail is called ________.

a)

Insert

b)

Attach

c)

Download

d)

Link

26.

When sending an email, the subject line should be ________.

a)

Blank

b)

A short description of the message

c)

Full letter

d)

A random number

27.

The “To” field in email is used to ________.

a)

Enter sender’s address

b)

Enter recipient’s address

c)

Enter password

d)

Enter subject

28.

When you attach a file to an email, it appears as a ________.

a)

Link

b)

Icon

c)

Folder

d)

Screenshot

29.

The “Send” button in Gmail is located in the ________.

a)

Compose window

b)

Inbox

c)

Drafts

d)

Settings

30.

A draft email is one that ________.

a)

Has been deleted

b)

Has not been sent yet

c)

Contains virus

d)

Has been blocked

31.

A computer virus is ________.

a)

A hardware device

b)

A malicious program

c)

A printer error

d)

A type of memory

32.

A virus that attaches to program files is known as ________.

a)

Boot virus

b)

File virus

c)

Macro virus

d)

Web virus

33.

Which of the following is a sign of a computer virus?

a)

Faster booting

b)

Random shutdowns

c)

Clear screen

d)

Increased storage space

34.

A program designed to detect and remove viruses is ________.

a)

Browser

b)

Antivirus

c)

Notepad

d)

Calculator

35.

A worm is different from a virus because it ________.

a)

Needs a host file

b)

Does not need a host to spread

c)

Cannot duplicate itself

d)

Only attacks printers

36.

A Trojan horse virus pretends to be ________.

a)

Antivirus

b)

A useful software

c)

Hardware

d)

Password

37.

Formatting a hard disk will ________.

a)

Increase virus

b)

Remove all files including viruses

c)

Create viruses

d)

Remove RAM

38.

A macro virus mostly affects ________.

a)

Word processors

b)

Printers

c)

Scanners

d)

Keyboards

39.

A virus that attacks the startup sector of a disk is a ________.

a)

Boot sector virus

b)

Multipartite

c)

Polymorphic

d)

Stealth virus

40.

Malware is ________.

a)

Any harmful software

b)

Only worms

c)

Only bots

d)

Only utilities

41.

Computer maintenance means ________.

a)

Buying new computers

b)

Keeping computers in good working condition

c)

Playing games regularly

d)

Charging the computer every hour

42.

Which of the following is a preventive maintenance practice?

a)

Overheating the system

b)

Regular cleaning

c)

Kicking the CPU

d)

Deleting system files

43.

A UPS helps protect a computer from ________.

a)

Virus

b)

Power outage

c)

Mouse failure

d)

Printer jam

44.

Dust inside a computer can cause ________.

a)

Faster performance

b)

Overheating

c)

Higher storage

d)

More internet speed

45.

Updating software is part of ________.

a)

Corrective maintenance

b)

Preventive maintenance

c)

Predictive maintenance

d)

None of the above

46.

Which of the following is NOT a maintenance tool?

a)

Screwdriver

b)

Blower

c)

Pliers

d)

Flash drive

47.

The act of fixing computer faults after they occur is called _________.

a)

Preventive maintenance

b)

Corrective maintenance

c)

Shutdown

d)

Installation

48.

Disk cleanup helps to __________.

a)

Remove dust

b)

Free unnecessary files

c)

Increase virus

d)

Break the system

49.

A surge protector is used to prevent damage from __________.

a)

Soft drinks

b)

Power spikes

c)

Keyboard errors

d)

Wrong password

50.

Keeping liquid away from the computer is an example of __________.

a)

Corrective maintenance

b)

Preventive maintenance

c)

Internet maintenance

d)

Network troubleshooting