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Worksheets1ST TERM CBT EXAMINATION FOR YEAR 12 2025/2026
Total questions: 50
Worksheet time: 50mins
A computer network is best described as ________.
A single computer
A group of interconnected computers
A computer without software
A computer with a modem
The main purpose of networking computers is to ________.
Play games
Share resources and information
Increase computer speed
Reduce power consumption
The private network used within an organization is known as ________.
Internet
Extranet
Intranet
Ethernet
Which of the following is NOT required for internet connection?
Modem
Browser
ISP
Printer
The worldwide collection of connected computer networks is known as ________.
Intranet
LAN
Internet
Bluetooth
The physical layout of a network is called ________.
Protocol
Topology
Bandwidth
Node
Which protocol is used for receiving emails?
SMTP
POP3
FTP
HTTP
A small network found within a school building is called a ________.
WAN
LAN
MAN
GAN
A website address is also known as ________.
DNS
URL
HTML
ISP
The device used to connect multiple network segments is called a ________.
Router
Mouse
Hard disk
Scanner
LAN covers ________.
A city
A building or small area
A country
The whole world
WAN is mainly used to connect computers in ________.
A classroom
A home
Large geographical areas
Within an office
Bluetooth communication is an example of ________.
MAN
PAN
WAN
LAN
The network type used in a university campus is a ________.
MAN
LAN
GAN
PAN
The largest type of network is ________.
WAN
MAN
PAN
LAN
In which topology is a central cable the backbone of the network?
Star
Bus
Ring
Mesh
Star topology uses a central device known as ________.
Hub
Flash drive
Modem
Hard disk
One major advantage of a star topology is ________.
It is cheap to set up
Easy to troubleshoot
Failure of the central hub doesn’t affect others
All cables must be wireless
In a ring topology, data travels in ________.
Two directions
One direction
Random pattern
Zig-zag pattern
Mesh topology is mostly used for ________.
Small homes
Big organizations that need full reliability
Only mobile phones
Flash drives
Gmail is a service provided by ________.
Yahoo
Microsoft
To create a Gmail account, you must provide ________.
ATM card
Username and password
National ID number
Antivirus
The inbox in an email account is used to ________.
Delete messages
Read received messages
Compose a new mail
Change password
The “Cc” in email means ________.
Central copy
Creative copy
Carbon copy
Camera copy
The feature used to send a document with a mail is called ________.
Insert
Attach
Download
Link
When sending an email, the subject line should be ________.
Blank
A short description of the message
Full letter
A random number
The “To” field in email is used to ________.
Enter sender’s address
Enter recipient’s address
Enter password
Enter subject
When you attach a file to an email, it appears as a ________.
Link
Icon
Folder
Screenshot
The “Send” button in Gmail is located in the ________.
Compose window
Inbox
Drafts
Settings
A draft email is one that ________.
Has been deleted
Has not been sent yet
Contains virus
Has been blocked
A computer virus is ________.
A hardware device
A malicious program
A printer error
A type of memory
A virus that attaches to program files is known as ________.
Boot virus
File virus
Macro virus
Web virus
Which of the following is a sign of a computer virus?
Faster booting
Random shutdowns
Clear screen
Increased storage space
A program designed to detect and remove viruses is ________.
Browser
Antivirus
Notepad
Calculator
A worm is different from a virus because it ________.
Needs a host file
Does not need a host to spread
Cannot duplicate itself
Only attacks printers
A Trojan horse virus pretends to be ________.
Antivirus
A useful software
Hardware
Password
Formatting a hard disk will ________.
Increase virus
Remove all files including viruses
Create viruses
Remove RAM
A macro virus mostly affects ________.
Word processors
Printers
Scanners
Keyboards
A virus that attacks the startup sector of a disk is a ________.
Boot sector virus
Multipartite
Polymorphic
Stealth virus
Malware is ________.
Any harmful software
Only worms
Only bots
Only utilities
Computer maintenance means ________.
Buying new computers
Keeping computers in good working condition
Playing games regularly
Charging the computer every hour
Which of the following is a preventive maintenance practice?
Overheating the system
Regular cleaning
Kicking the CPU
Deleting system files
A UPS helps protect a computer from ________.
Virus
Power outage
Mouse failure
Printer jam
Dust inside a computer can cause ________.
Faster performance
Overheating
Higher storage
More internet speed
Updating software is part of ________.
Corrective maintenance
Preventive maintenance
Predictive maintenance
None of the above
Which of the following is NOT a maintenance tool?
Screwdriver
Blower
Pliers
Flash drive
The act of fixing computer faults after they occur is called _________.
Preventive maintenance
Corrective maintenance
Shutdown
Installation
Disk cleanup helps to __________.
Remove dust
Free unnecessary files
Increase virus
Break the system
A surge protector is used to prevent damage from __________.
Soft drinks
Power spikes
Keyboard errors
Wrong password
Keeping liquid away from the computer is an example of __________.
Corrective maintenance
Preventive maintenance
Internet maintenance
Network troubleshooting
