Computer Studies

Includes fundamentals of computers, hardware and software, operating systems, MS Office, internet, networking, and basic IT concepts for recruitment exams.

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Introduction to Computers (24) Computer Hardware (32) Computer Software (0) Data Representation (0) Logic Gates & Boolean Algebra (0) Computer Memory (0) Central Processing Unit (CPU) (0) Operating Systems (0) Programming Fundamentals (0) Introduction to Programming (Basic Concepts) (0) Databases (0) Computer Networks (0) Internet & Web Technologies (0) Computer Security & Ethics (0) Emerging Technologies (0)
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1
Which of the following is an example of optical storage?
Medium 1 Mark
A SSD
B RAM
C HDD
D DVD
2
Storage devices are used to:
Medium 1 Mark
A Display data
B Store data and information
C Print documents
D Process instructions
3
Registers are used to:
Medium 1 Mark
A Permanently store files
B Scan images
C Display output
D Temporarily store data during processing
4
Which CPU component controls all hardware operations?
Medium 1 Mark
A ALU
B Control Unit
C RAM
D Register
5
The ALU performs:
Medium 1 Mark
A Input operations
B Storage operations
C Mathematical and logical operations
D Printing operations
6
The process of Fetch → Decode → Execute is called:
Medium 1 Mark
A Processing cycle
B Instruction cycle
C Data cycle
D Memory cycle
7
The CPU performs which basic operation first?
Medium 1 Mark
A Execute
B Decode
C Fetch
D Store
8
The CPU is known as the:
Medium 1 Mark
A Heart of computer
B Brain of computer
C Memory of computer
D Screen of computer
9
A projector displays computer output on:
Medium 1 Mark
A Paper
B Screen or wall
C Keyboard
D USB drive
10
Headphones are mainly used for:
Medium 1 Mark
A Private listening
B Printing documents
C Storing data
D Capturing images
11
Speakers convert digital signals into:
Medium 1 Mark
A Images
B Sound
C Text
D Graphics
12
Which of the following is a non-impact printer?
Medium 1 Mark
A Dot matrix
B Inkjet
C Drum printer
D Chain printer
13
Which of the following is an example of an impact printer?
Medium 1 Mark
A Inkjet printer
B Laser printer
C Dot matrix printer
D Thermal printer
14
A printer produces:
Medium 1 Mark
A Soft copy
B Hard copy
C Digital signals
D Video output
15
Which of the following is an older monitor technology?
Medium 1 Mark
A LCD
B LED
C OLED
D CRT
16
The primary visual output device of a computer is:
Medium 1 Mark
A Printer
B Monitor
C Speaker
D Keyboard
17
Output devices are used to:
Medium 1 Mark
A Enter data into the computer
B Store data permanently
C Display processed results
D Connect to the internet
18
Which device allows users to interact by touching the screen?
Medium 1 Mark
A Monitor
B Keyboard
C Printer
D Touchscreen
19
A webcam is mainly used for:
Medium 1 Mark
A Video conferencing
B Printing images
C Storing data
D Typing documents
20
A scanner is used to:
Medium 1 Mark
A Print documents
B Convert physical documents into digital form
C Store files
D Play audio
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