Chapter 1: Computer Fundamentals | 30 MCQ Quiz with Answers
Test your knowledge of Computer Fundamentals with 30 important MCQs covering CPU, memory, input/output devices, storage, software, operating systems, data and basic computer concepts. Each question includes the correct answer.
Chapter 1: Computer Fundamentals
Test your knowledge of basic computer fundamentals with these 30 multiple-choice questions.
Click Show Answer to check the correct answer.
1. What is a computer?
A) An electronic device that processes data
B) A mechanical device
C) A communication cable
D) A storage box
2. What is the full form of CPU?
A) Central Processing Unit
B) Computer Processing Unit
C) Central Program Unit
D) Computer Program Utility
3. Which part of a computer is known as the brain of the computer?
A) Monitor
B) Keyboard
C) CPU
D) Mouse
4. Which unit performs arithmetic and logical operations?
A) CU
B) ALU
C) RAM
D) ROM
5. What is the full form of ALU?
A) Arithmetic Logic Unit
B) Arithmetic Learning Unit
C) Advanced Logic Unit
D) Application Logic Unit
6. Which component controls and coordinates the activities of a computer?
A) ALU
B) Control Unit
C) RAM
D) Hard Disk
7. What is the full form of CU?
A) Central Unit
B) Control Unit
C) Computer Unit
D) Common Unit
8. Which of the following is an input device?
A) Monitor
B) Printer
C) Keyboard
D) Speaker
9. Which of the following is an output device?
A) Mouse
B) Keyboard
C) Scanner
D) Monitor
10. Which device is commonly used to enter text into a computer?
A) Keyboard
B) Monitor
C) Speaker
D) Projector
11. Which device is used to point, click and select items on a computer screen?
A) Printer
B) Mouse
C) Scanner
D) Speaker
12. Which device produces a hard copy of a document?
A) Monitor
B) Printer
C) Keyboard
D) Scanner
13. What is a hard copy?
A) Information stored in RAM
B) Printed output on paper
C) Information displayed on a screen
D) A computer program
14. What is a soft copy?
A) Printed document
B) Digital version of information
C) Paper document
D) Handwritten document
15. Which memory is temporary and loses its contents when power is turned off?
A) ROM
B) RAM
C) Hard Disk
D) SSD
16. What is the full form of RAM?
A) Read Access Memory
B) Random Access Memory
C) Rapid Access Machine
D) Random Application Memory
17. What is the full form of ROM?
A) Read Only Memory
B) Random Only Memory
C) Read Open Memory
D) Run Only Memory
18. Which memory generally retains data even when the computer is switched off?
A) RAM
B) Cache
C) ROM
D) Register
19. Which of the following is a storage device?
A) Hard disk
B) Keyboard
C) Monitor
D) Mouse
20. Which unit is commonly used to measure computer storage capacity?
A) Meter
B) Byte
C) Volt
D) Hertz
21. How many bits are there in one byte?
A) 4
B) 8
C) 16
D) 32
22. Which is the smallest unit of digital data?
A) Byte
B) Bit
C) Kilobyte
D) Megabyte
23. What is the full form of USB?
A) Universal Serial Bus
B) Universal System Bus
C) United Serial Board
D) User System Bus
24. Which of the following is an example of system software?
A) Operating system
B) Calculator
C) Paint
D) Word processor
25. Which software manages the hardware and other software of a computer?
A) Operating system
B) Web browser
C) Media player
D) Antivirus only
26. Which of the following is an operating system?
A) Windows
B) Google Chrome
C) MS Word
D) Photoshop
27. What is data?
A) Processed information only
B) Raw facts and figures
C) A computer virus
D) An operating system
28. What is information?
A) Raw data only
B) Processed and meaningful data
C) Computer hardware
D) An input device
29. Which basic operation converts raw data into meaningful information?
A) Processing
B) Printing
C) Scanning
D) Typing
30. Which sequence represents the basic data processing cycle?
A) Output → Input → Processing
B) Input → Processing → Output
C) Processing → Input → Output
D) Input → Output → Processing
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