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Grade 8 Revision

Total questions: 85

Worksheet time: 59mins

Name
Class
Date
1.

Computer Maintenance refers to

a)

Make sure the machine has optimal performance and lengthen the device's lifespan

b)

It involves keeping a computer in a good state of repair and physical health

c)

It is a set of tasks and procedures that help to keep the computer software and hardware updated and operational

d)

All of the above

2.

Special program which can detect and remove viruses from computer is calle

a)

Virus

b)

Antivirus

c)

Group ware

d)

Custom

3.

Before cleaning the computer parts, make sure to turn off and disconnect or unplug the power cord completely.

a)

TRUE

b)

FALSE

4.

In cleaning the system unit case, you can use a steel brush or sandpapers.

a)

TRUE

b)

FALSE

5.

Food, drinks, and other beverages should be kept away from the computer system.

a)

TRUE

b)

FALSE

6.

Installing firewall and antivirus software are good actions to secure files against viruses and hackers.

a)

TRUE

b)

FALSE

7.

Anti-virus software is software for the computer used to prevent, detect, and remove malware or viruses.

a)

TRUE

b)

FALSE

8.

True/ False

Peripheral devices are hardware devices.

a)

False

b)

True

9.

A peripheral device may be defined as:

a)

A device that transmit electrical signal.

b)

An external device that is connected to the computer system.

c)

An output device only.

d)

A storage device.

10.

True/ False

"Care and Maintenance of the Computer System, is important because our devices will last longer".

a)

False

b)

True

11.

All the following items are methods to care for your devices, EXCEPT

a)

Install an antivirus software.

b)

Have a backup of your files.

c)

Overcharge your laptop battery.

d)

Don't browse malicious websites.

12.

To back up file your files means to save your documents in a thumb drive, CD or in an external hard drive

a)

TRUE

b)

FALSE

13.

Computer monitors are cleaned using a soft cloth.

a)

TRUE

b)

FALSE

14.

Shutting down the computer often increases its life span.

a)

TRUE

b)

FALSE

15.

Removing unnecessary files in the computer will decrease space and speed of the computer.

a)

TRUE

b)

FALSE

16.

Regularly backing up important files secures computer data.

a)

TRUE

b)

FALSE

17.

For better results, computers should be turned on while you are cleaning its parts.

a)

TRUE

b)

FALSE

18.

Scanning your computer regularly can keep it safe from viruses and other malicious software.

a)

TRUE

b)

FALSE

19.

Collection of stored data.

a)

Files

b)

Security

c)

Maintenance

d)

Backup

20.

A process performed to keep computers in a good state and functional.

a)

Deleting

b)

Upgrading

c)

Scanning

d)

Maintenance

21.

It infects your programs and files and alter the way your computer operates.

a)

Bacteria

b)

Virus

c)

Colds

d)

Flu

22.
All computer systems have input, processes, output and... 
a)
Feedback
b)
Data
c)
Information
d)
Storage
23.
...is any physical component that makes up the computer. 
a)
Hardware
b)
Software
c)
Storage
d)
Microchip 
24.
An input device that is used to type ext and commands into a computer is called:  ___________
a)
Output Device
b)
Control Panel
c)
Joystick
d)
Keyboard
25.

"Making a duplicate of all the users work" is a description of what?

a)

Defragmentation

b)

Drivers

c)

Task Manager

d)

Backup

26.

What is the first recommended step for maintaining your computer?

a)

Run Antivirus and Anti-malware Scans

b)

Update Software

c)

Check for Disk Errors

d)

Clean Dust

27.

State what the acronyms mean State what the acronyms mean RAM?

a)

Read Access Memory

b)

Random Accelerate Assembly

c)

Random Access Memory

d)

Remote Access Memory

28.

What does the acronyms Ghz mean?

a)

Greenberger Horne Zeilinger

b)

Gigahertz

c)

Giga Frequency Hertz

d)

Gigantic Hertz

29.

What does the acronym OS mean in the context of Hardware Specifications?

a)

Open Source

b)

Operating Software

c)

Open Store

d)

Other Solutions

30.

What does the acronym GB mean?

a)

Golden Berry

b)

Gigabytes

c)

Gigabit

d)

GiganticByte

31.

Which computer is the most powerful?

a)

Supercomputers

b)

Minicomputers

c)

Worstation

d)

Mainframe

e)

Personal Computer

32.

Which is the biggest computer by size?

a)

Super computer

b)

Mini computer

c)

Micro Computer

d)

Mainframe computer

33.

Which of the following computer is the smallest computer?

a)

Super computer

b)

Mini computer

c)

Main Frame Computer

d)

Micro Computer

34.

Which is larger?

a)

Megabyte

b)

Gigabyte

35.
What does CPU stand for?
a)
Control Processing Unit
b)
Central Processing Unit
c)
Central Power Unit
d)
Center Power Unit
36.
The CPU sorts information
a)
TRUE
b)
FALSE
37.

What is the speed of a CPU measured in?

a)

Gigabytes

b)

Megapixels

c)

Hertz

d)

Watts

38.

Which type of computer port is commonly used for connecting high-definition displays, such as monitors and TVs?

a)

USB (Universal Serial Bus)

b)

HDMI (High-Definition Multimedia Interface)

c)

VGA (Video Graphics Array)

d)

Ethernet

39.

Which of the following is the most commonly used computer operating system?

a)

Windows

b)

iOS

c)

Java

d)

macOS

40.

Which computer port is commonly used for connecting external hard drives, printers, and other peripherals?

a)

USB (Universal Serial Bus)

b)

HDMI (High-Definition Multimedia Interface)

c)

VGA (Video Graphics Array)

d)

Ethernet

41.

physical components that compose a computer systems or network

a)

hardware

b)

software

42.
Processing speed of the CPU
a)
Hertz
b)
MPH
c)
Rounds
d)
Cycles
43.

Name these ports.

a)

SSD

b)

USB

c)

RAM

d)

VGA

44.
The performance of which three components is most important for a Server?
a)
Processor, RAM, Hard Disk Drive
b)
Graphics Card, RAM, Processor
c)
Processor, Heatsink, Graphics Card
d)
Starter Motor, Carburettor, Timing Belt
45.

What is a desktop PC designed for?

a)

For underwater exploration

b)

As a portable device

c)

For outdoor use

d)

To stay in one place

46.

Who manufactures desktop processors?

a)

Dell and HP

b)

Nokia and Samsung

c)

AMD and Intel

d)

Google and Amazon

47.

What is an example of computer software?

a)

MS Excel

b)

Keyboard

c)

Monitor

d)

Motherboard

48.

Which unit of measurement is typically used to describe computer storage capacity?

a)

Megahertz

b)

Megabytes

c)

Megapixels

d)

Megavolts

49.
a)

VGA

b)

USB Type A

c)

Ethernet

d)

HDMI

50.
a)

VGA

b)

Ethernet

c)

USB Type B

d)

HDMI

51.

Define Computer Port

a)

A cable used to connect 2 electronic devices

b)

A connection point or interface between a computer and a device

c)

A special place where large amounts of data a temporarily stored

d)

A part of the computer that houses the CPU

52.

What are VGA cables used for?

a)

Video

b)

Audio

c)

Data Transfer

d)

Power

53.
True or False: Eating food at your computer will not cause damage.
a)
True
b)
False
54.

What can be plugged into this port?

a)

Monitor

b)

Speakers

c)

Mouse

d)

Keyboard

55.

Which of the following is a VGA port?

a)
b)
c)
d)
56.

This port is used to connect TVs and other high definition outputs. It can output up to 4K resolution.

a)

HDMI

b)

VGA

c)

GUI

d)

Serial

57.

What do you call this computer port?

a)

VGA port

b)

PS/2 port

c)

Audio port

d)

Ethernet port

58.

What do you call this computer port?

a)

VGA port

b)

Ethernet port

c)

Mouse port

d)

Parallel port

59.

Which port is commonly used to connect a keyboard or mouse on a desktop computer?

a)

FireWire

b)

VGA

c)

PS/2

d)

HDMI

60.

Which port is specifically designed to connect to a network?

a)

HDMI

b)

Ethernet

c)

FireWire

d)

Serial

61.

What should you use to clean your computer screen?

a)

Wet cloth

b)

Paper Towels

c)

Soft, lint free

62.

What is the proper way to shut-down your computer?

a)

Forcefully turning it off

b)

Using the shutdown button

c)

Closing the lid of your laptop

63.

What does it mean to "back up" your files?

a)

Throw away old files

b)

Delete unnecessary files

c)

Make copies of important files

64.

You should remove the computer cover monthly to clean inside.

a)

True

b)

False

65.

What is ergonomics primarily concerned with?

a)

Computer programming

b)

Workplace comfort and design

c)

Hardware maintenance

d)

Software installation

66.

What is one way to protect your computer from dust?

a)

Place it outside

b)

Use dust covers when not in use

c)

Use a vacuum cleaner

d)

Leave it uncovered

67.

Alex wants to clean his computer screen but is unsure how to do it safely. What should he use?

a)

A rough towel and water

b)

A glass cleaner spray

c)

A soft microfiber cloth with screen-safe cleaner

d)

A damp sponge

68.

Michael's computer is running slowly and displaying frequent pop-ups. What should he do first?

a)

Restart his computer

b)

Delete some files randomly

c)

Run a full scan with antivirus software

d)

Ignore the problem and continue using the computer

69.

Sophia wants to back up important files from her computer. Which of the following is the best option?

a)

Saving them in the "Downloads" folder

b)

Using an external hard drive or cloud storage

c)

Keeping them only on the desktop

d)

Printing them out for storage

70.

Emma notices that some of her keyboard keys are not working properly. What should she do?

a)

Pour water over the keyboard to clean it

b)

Use a vacuum cleaner at high speed

c)

Use compressed air and a soft brush to remove dust

d)

Shake the laptop vigorously to remove dirt

71.
Microsoft Excel is what type of software?
a)
Word Processing
b)
Spreadsheet
c)
Presentation
d)
Drawing
72.
Rows are which of the following:
a)
vertical
b)
horizontal
73.
Columns are vertical.
a)
True
b)
False
74.
An excel file with one or more worksheets
a)
Workbook
b)
Worksheet
c)
Formula
d)
Row
75.
_________ allows you to perform calculations on data entered into a spreadsheet?
a)
Formulas
b)
Data
c)
Cell
d)
Cell reference
76.
Excel allows you to
a)
read stories
b)
work with data
c)
invent ideas
d)
create presentations
77.
What is the term used where a column and row intersect?
a)
Toolbar
b)
Cell
c)
Name Box
d)
Formula Bar
78.
Cells are identified by the following:
a)
Column Letter followed by their Row Number
b)
Row Number followed by their Column Letter
c)
Row Number Only
d)
Column Letter Only
79.
Horizontal line of cells
a)
Row
b)
Column
c)
Cell
d)
Spreadsheet
80.

An Excel file is generally called a / an :

a)

E-Spreadsheet

b)

Woorksheet

c)

Workbook

d)

Sheet

81.

What is the name of this cell?

a)

B10

b)

5B

c)

B5

d)

A5

82.
Excel refers to files as
a)
Documents
b)
Workbooks
c)
data bases
83.
When inserting a formula, always start with
a)
equals symbol
b)
plus symbol
c)
minus symbol
84.

What is a program that provides worksheets compromised of rows and columns and has the ability to perform simple to complex mathematical calculations?

a)

Microsoft Word

b)

Microsoft Excel

c)

Microsoft PowerPoint

d)

Microsoft Outlook

85.

Columns in a spreadsheet run ___________ and are designated by a ___________.

a)

horizontally, letter

b)

horizontally, number

c)

vertically, letter

d)

vertically, number

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