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WorksheetsW3LITE: Computer and its components
Total questions: 18
Worksheet time: 11mins
Name
Class
Date
1.
Which of the following is a non-impact printer?
a)
Dot-matrix printer that uses pins to strike ribbon
b)
Inkjet printer that sprays ink onto paper
c)
Typewriter printer that produces mechanical impressions
d)
Line printer that uses impact-based printing methods
e)
Daisy wheel printer that uses rotating print elements
2.
Which type of monitor uses light-emitting diodes?
a)
CRT monitor using cathode ray tube technology
b)
LCD monitor using liquid crystal display technology
c)
LED monitor using light-emitting diode technology
d)
Plasma monitor using ionized gas display technology
e)
Analog monitor using voltage-based display signals
3.
What is the main function of storage devices?
a)
To process data and execute instructions in real time
b)
To display visual and audio output to users
c)
To store data and information for future use
d)
To receive input data from users and devices
e)
To connect multiple systems through networks
4.
Which of the following is a storage device?
a)
Mouse used for selecting and interacting with objects
b)
Monitor used for displaying images and text output
c)
Flash drive used for storing digital data
d)
Speaker used for producing sound output
e)
Keyboard used for entering data and commands
5.
What is the system unit?
a)
External device used for displaying output information
b)
Main enclosure containing internal computer components
c)
Device used for storing data externally in digital format
d)
Input device used for entering instructions into system
e)
Communication tool used for connecting computer networks
6.
Why are input devices important in a computer system?
a)
They allow the computer to store large amounts of data permanently
b)
They enable users to provide data and instructions for processing
c)
They display processed results in visual and audio formats
d)
They connect computers to communication networks globally
e)
They control internal processes within the central processing unit
7.
Why are output devices necessary?
a)
They convert user input into digital signals for processing
b)
They present processed information in a usable form to users
c)
They store information for long-term retrieval and usage
d)
They manage internal operations of computer components
e)
They replace the need for input and storage devices
8.
Why are storage devices considered non-volatile?
a)
They require constant power supply to retain stored data
b)
They retain stored data even when the computer is turned off
c)
They process data faster than volatile memory components
d)
They are used only for temporary data storage operations
e)
They function only during active system processing tasks
9.
Why are computers considered fast?
a)
They rely on manual input to perform calculations quickly
b)
They perform billions of operations per second
c)
They store large amounts of data in physical storage
d)
They connect multiple users through communication systems
e)
They operate without requiring instructions or data input
10.
Why is accuracy important in computer operations?
a)
Computers automatically correct all errors without input validation
b)
Accurate results depend on correct data and instructions
c)
Accuracy eliminates the need for human supervision entirely
d)
Accuracy ensures faster processing speed in all operations
e)
Accuracy reduces the need for storage and memory usage
11.
A user types a document using a keyboard. What role does the keyboard perform?
a)
Storage device used for saving typed data permanently
b)
Input device used for entering data and commands
c)
Output device used for displaying text on screen
d)
Processing device used for executing instructions
e)
Communication device used for sharing data online
12.
A teacher prints exam papers using a printer. What type of device is being used?
a)
Input device used for entering exam questions into system
b)
Output device used for producing physical documents
c)
Storage device used for saving exam files digitally
d)
Processing device used for calculating student scores
e)
Communication device used for sharing exam files online
13.
A user scans a printed document into a computer. What process occurs?
a)
Output information is converted into physical form
b)
Input device converts physical data into digital format
c)
Storage device saves data without processing
d)
Processing device analyzes information automatically
e)
Communication system transfers data between networks
14.
A company stores important files on a hard drive. What function is demonstrated?
a)
Input of data through external devices
b)
Storage of data for future retrieval
c)
Output of information through visual displays
d)
Processing of instructions within CPU
e)
Communication of data across networks
15.
A computer displays a video on a monitor. What role does the monitor perform?
a)
Input device capturing user commands and actions
b)
Output device presenting visual information
c)
Storage device saving video files permanently
d)
Processing device decoding video data
e)
Communication device sharing video across networks
16.
(a) refers to the physical parts of a computer that can be seen and touched.
17.
CRT stands for (a) Tube.
LCD stands for (b) Display.
LED stands for Light (c) .
18.
(a) present information from the computer to users.
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