Website: https://www.computergs.online
Platform: ComputerGS
Category: Computer Awareness for SSC, Banking, Railway, UPSI, Steno, Computer Operator Exams
Basic Computer Fundamentals – 50 Important MCQ Questions & Answers
Basic Computer Fundamentals is one of the most important sections for competitive exams like SSC, Banking, Railway, UPSI, and Stenographer. Below are 50 most important multiple choice questions (MCQs) prepared by ComputerGS for quick revision.
1. What is a computer?
A) Electronic machine
B) Mechanical device
C) Manual tool
D) Calculator only
Answer: A) Electronic machine
2. Who is known as the Father of Computer?
A) Alan Turing
B) Charles Babbage
C) John Von Neumann
D) Bill Gates
Answer: B) Charles Babbage
3. What does CPU stand for?
A) Central Processing Unit
B) Computer Processing Unit
C) Central Programming Unit
D) Control Processing Unit
Answer: A) Central Processing Unit
4. Which part of the computer performs calculations?
A) Monitor
B) Keyboard
C) CPU
D) Printer
Answer: C) CPU
5. What is the full form of RAM?
A) Random Access Memory
B) Read Access Memory
C) Run Access Memory
D) Rapid Access Memory
Answer: A) Random Access Memory
6. Which memory is volatile?
A) ROM
B) Hard Disk
C) RAM
D) CD-ROM
Answer: C) RAM
7. What is the full form of ROM?
A) Read Only Memory
B) Random Only Memory
C) Read Output Memory
D) Run Only Memory
Answer: A) Read Only Memory
8. Which device is used for input?
A) Monitor
B) Printer
C) Keyboard
D) Speaker
Answer: C) Keyboard
9. Which device is used for output?
A) Mouse
B) Monitor
C) Scanner
D) Keyboard
Answer: B) Monitor
10. What is the brain of the computer?
A) RAM
B) Hard Disk
C) CPU
D) Mouse
Answer: C) CPU
(Continue Same Format — Ready for Blogger)
11. 1 Byte equals?
A) 4 bits
B) 8 bits
C) 16 bits
D) 32 bits
Answer: B) 8 bits
12. Which storage device has the largest capacity?
A) CD
B) DVD
C) Hard Disk
D) Floppy Disk
Answer: C) Hard Disk
13. What does ALU stand for?
A) Arithmetic Logic Unit
B) Algorithm Logic Unit
C) Arithmetic Local Unit
D) Automatic Logic Unit
Answer: A) Arithmetic Logic Unit
14. Which generation used Vacuum Tubes?
A) First
B) Second
C) Third
D) Fourth
Answer: A) First
15. Which generation used Transistors?
A) First
B) Second
C) Third
D) Fourth
Answer: B) Second
16. Which generation used Integrated Circuits?
A) First
B) Second
C) Third
D) Fourth
Answer: C) Third
17. Which generation uses Microprocessors?
A) First
B) Second
C) Third
D) Fourth
Answer: D) Fourth
18. Which key is used to delete characters to the right?
A) Backspace
B) Delete
C) Enter
D) Shift
Answer: B) Delete
19. Which key is used to move to next line?
A) Enter
B) Shift
C) Tab
D) Ctrl
Answer: A) Enter
20. What is the full form of USB?
A) Universal Serial Bus
B) Unique Serial Bus
C) Universal System Bus
D) Unified Serial Bus
Answer: A) Universal Serial Bus
(Questions 21–50 Continue Below 👇)
21. What is software?
A) Physical parts
B) Programs
C) Monitor
D) Keyboard
Answer: B) Programs
22. What is hardware?
A) Programs
B) Applications
C) Physical components
D) Internet
Answer: C) Physical components
23. Which is an operating system?
A) MS Word
B) Windows
C) Excel
D) PowerPoint
Answer: B) Windows
24. Which is an input device?
A) Printer
B) Scanner
C) Monitor
D) Speaker
Answer: B) Scanner
25. Which is an output device?
A) Keyboard
B) Mouse
C) Printer
D) Scanner
Answer: C) Printer
26. Full form of LAN?
A) Local Area Network
B) Large Area Network
C) Long Area Network
D) Logical Area Network
Answer: A) Local Area Network
27. Full form of WAN?
A) Wide Area Network
B) Wireless Area Network
C) Web Area Network
D) World Area Network
Answer: A) Wide Area Network
28. What is the smallest unit of data?
A) Byte
B) Bit
C) KB
D) MB
Answer: B) Bit
29. 1024 KB equals?
A) 1 GB
B) 1 MB
C) 1 TB
D) 1 Byte
Answer: B) 1 MB
30. Which is system software?
A) Windows
B) Excel
C) Chrome
D) Word
Answer: A) Windows
31–50 (Final Questions)
Ctrl + C is used for? → Copy
Ctrl + V is used for? → Paste
Ctrl + X is used for? → Cut
WWW stands for? → World Wide Web
HTTP stands for? → Hyper Text Transfer Protocol
Email is used for? → Sending electronic messages
Excel is used for? → Spreadsheets
Word is used for? → Document typing
PowerPoint is used for? → Presentation
Antivirus is used for? → Protection from viruses
BIOS stands for? → Basic Input Output System
Cache memory is? → High-speed memory
Hard disk is? → Secondary storage
Cloud storage example? → Google Drive
IP stands for? → Internet Protocol
URL stands for? → Uniform Resource Locator
GUI stands for? → Graphical User Interface
Shortcut key for Save? → Ctrl + S
Operating system controls? → Hardware and software
Example of browser? → Google Chrome
Conclusion
These 50 Basic Computer Fundamentals MCQs are extremely important for competitive exams like SSC, Banking, Railway, UPSI, Steno, and Computer Operator.
🔥 Very Important Topics: Must see
✅ Social Media Networking
✅ Cyber Crime and Security
✅ Open Education Resources (OER)
✅ E-commerce and Internet
✅ Important files extension names
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👉 https://www.computergs.online
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