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Computer Awareness Test
Marking Scheme: +1 for Correct, -1 for Incorrect.
Q1.
Who is known as the father of computers?
A.
Alan Turing
B.
Charles Babbage
C.
John von Neumann
D.
Elon Musk
Clear Selection
Q2.
The first generation of computers used which primary electronic component?
A.
Transistors
B.
Integrated Circuits
C.
Vacuum Tubes
D.
Microprocessors
Clear Selection
Q3.
Which of the following is an example of an input device?
A.
Monitor
B.
Printer
C.
Speaker
D.
Scanner
Clear Selection
Q4.
What is the full form of RAM?
A.
Read Access Memory
B.
Random Access Memory
C.
Rapid Access Memory
D.
Read And Modify Memory
Clear Selection
Q5.
A bit is the smallest unit of data in a computer. What does a bit represent?
A.
A single character
B.
A binary digit (0 or 1)
C.
A byte of data
D.
A memory address
Clear Selection
Q6.
Which component is known as the brain of the computer?
A.
RAM
B.
Hard Disk
C.
CPU
D.
Power Supply
Clear Selection
Q7.
Which of the following is a volatile memory?
A.
ROM
B.
Flash Drive
C.
RAM
D.
Hard Disk
Clear Selection
Q8.
In the binary number system, how many digits are used?
A.
8
B.
10
C.
2
D.
16
Clear Selection
Q9.
Which key combination is used to copy selected text or files?
A.
Ctrl + X
B.
Ctrl + V
C.
Ctrl + C
D.
Ctrl + Z
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Q10.
Which generation of computers introduced the microprocessor?
A.
First
B.
Second
C.
Third
D.
Fourth
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Q11.
Which of the following is an example of system software?
A.
Microsoft Word
B.
Adobe Photoshop
C.
Operating System
D.
Web Browser
Clear Selection
Q12.
How many bits are there in one byte?
A.
8
B.
4
C.
32
D.
16
Clear Selection
Q13.
What does ALU stand for?
A.
Application Logic Unit
B.
Arithmetic Local Unit
C.
Auto Load Utility
D.
Arithmetic Logic Unit
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Q14.
Which of the following is a secondary storage device?
A.
Cache Memory
B.
RAM
C.
Hard Disk Drive
D.
CPU Register
Clear Selection
Q15.
The operating system is responsible for which of the following?
A.
Only word processing
B.
Managing hardware and software resources
C.
Compiling programs
D.
Designing web pages
Clear Selection
Q16.
What does POST stand for in the booting process?
A.
Power On Self Test
B.
Program Operation System Test
C.
Power Off System Test
D.
Primary Operating System Transfer
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Q17.
Which type of software is designed to help users perform specific tasks like typing a letter or preparing a presentation?
A.
System software
B.
Utility software
C.
Application software
D.
Firmware
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Q18.
In the hexadecimal number system, which symbols are used besides 0-9?
A.
A to F
B.
G to L
C.
X, Y, Z
D.
+, -, *, /
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Q19.
Which of the following is an output device?
A.
Keyboard
B.
Mouse
C.
Projector
D.
Microphone
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Q20.
What does ROM stand for?
A.
Random Only Memory
B.
Read Only Memory
C.
Rapid Online Memory
D.
Rewritable Optical Memory
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Q21.
Which network type typically covers a small geographic area like an office building or school?
A.
WAN
B.
MAN
C.
LAN
D.
DAN
Clear Selection
Q22.
Who is credited with inventing the World Wide Web?
A.
Bill Gates
B.
Tim Berners-Lee
C.
Steve Jobs
D.
Vint Cerf
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Q23.
Which programming language is directly understood by a computer’s processor without translation?
A.
C++
B.
Assembly language
C.
Machine language
D.
Java
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Q24.
What is the function of the Control Unit (CU) in the CPU?
A.
Perform arithmetic calculations
B.
Store data temporarily
C.
Direct the operation of the processor
D.
Speed up internet access
Clear Selection
Q25.
Which of the following is an example of open-source software?
A.
Microsoft Windows
B.
Adobe Photoshop
C.
Linux
D.
macOS
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Q26.
Which unit is used to measure the speed of a CPU?
A.
RPM
B.
GHz
C.
DPI
D.
Mbps
Clear Selection
Q27.
Google Chrome is an example of a:
A.
Search engine
B.
Email client
C.
Operating system
D.
Web Browser
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Q28.
The process of starting a computer is called:
A.
Shutdown
B.
Logging
C.
Booting
D.
Resetting
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Q29.
Which type of memory retains data even when the power is turned off?
A.
Volatile memory
B.
Cache memory
C.
Non-volatile memory
D.
Virtual memory
Clear Selection
Q30.
Which key is used to delete the character to the right of the cursor?
A.
Backspace
B.
Delete
C.
Insert
D.
Enter
Clear Selection
Q31.
A single binary digit can represent how many possible values?
A.
1
B.
2
C.
8
D.
16
Clear Selection
Q32.
What is the main purpose of a firewall?
A.
Improving graphics
B.
Speeding up the CPU
C.
Protecting a network from unauthorized access
D.
Storing backup files
Clear Selection
Q33.
Which device is used to convert digital signals to analog signals for internet connectivity over telephone lines?
A.
Router
B.
Switch
C.
Modem
D.
Hub
Clear Selection
Q34.
What does GUI stand for?
A.
Graphical User Interface
B.
General Utility Interface
C.
Graphical Unified Integration
D.
General User Input
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Q35.
In computer terminology, 1 TB (Terabyte) equals approximately:
A.
1,024 KB
B.
1,024 MB
C.
1,024 PB
D.
1,024 GB
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Q36.
The 'www' in a web address stands for:
A.
World Wide Web
B.
Wide World Web
C.
Web Wide World
D.
World Web Wide
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Q37.
Which logical gate outputs a '1' only when all its inputs are '1'?
A.
OR Gate
B.
AND Gate
C.
NOR Gate
D.
XOR Gate
Clear Selection
Q38.
Which storage technology uses flash memory?
A.
CD-ROM
B.
DVD
C.
SSD
D.
Magnetic tape
Clear Selection
Q39.
The shortcut Ctrl + V is used for:
A.
Cut
B.
Copy
C.
Undo
D.
Paste
Clear Selection
Q40.
A flowchart is a graphical representation of a(n):
A.
Essay
B.
Algorithm
C.
Paragraph
D.
Hardware
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Q41.
Which type of software removes viruses, malware, and other threats?
A.
Word processor
B.
Antivirus
C.
Compiler
D.
Disk defragmenter
Clear Selection
Q42.
Who is considered the first computer programmer?
A.
Grace Hopper
B.
Ada Lovelace
C.
Hedy Lamarr
D.
Margaret Hamilton
Clear Selection
Q43.
Which key allows you to move the cursor to the beginning of the next line while typing?
A.
Shift
B.
Tab
C.
Enter
D.
Caps Lock
Clear Selection
Q44.
The central processing unit consists of three primary parts: control unit, arithmetic logic unit, and:
A.
RAM
B.
Registers
C.
Motherboard
D.
Hard disk
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Q45.
What is the function of an operating system's kernel?
A.
Managing files only
B.
Core management of the system’s hardware and processes
C.
Running only web applications
D.
Editing images
Clear Selection
Q46.
Which number system has a base of 8?
A.
Decimal
B.
Hexadecimal
C.
Octal
D.
Binary
Clear Selection
Q47.
Which type of printer uses laser beams to produce high-quality text and graphics?
A.
Inkjet printer
B.
Dot matrix printer
C.
Laser printer
D.
Thermal printer
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Q48.
A URL is the address of a specific webpage. What does URL stand for?
A.
Universal Resource Locator
B.
Uniform Resource Locator
C.
Unified Retrieval Link
D.
Universal Retrieval Locator
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Q49.
Which function key is commonly used to refresh the current window or webpage in most browsers?
A.
F2
B.
F9
C.
F5
D.
F12
Clear Selection
Q50.
Which of these is a characteristic of a high-level programming language?
A.
It is directly executable by the CPU
B.
It uses only binary codes
C.
It is easier for humans to read and write compared to machine language
D.
It does not require a compiler or interpreter
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