100+ Computer Awareness MCQs with Answers | Banking, SSC, Railway, APSC, ADRE, JAA

If you’re preparing for competitive exams, this post brings you 100+ Computer Awareness MCQs with Answers to strengthen your fundamentals and boost confidence. Covering all major topics — Basics of Computers, Hardware & Software, Operating Systems, MS Office, Internet & Email, Networking, Data Representation, Emerging Technologies, and Computer Security — this complete set of 100+ Computer Awareness MCQs with Answers is designed for Banking, SSC, Railway, IBPS, APSC, ADRE, and Gauhati High Court JAA aspirants. Whether you’re targeting national-level tests or Assam‑specific recruitment exams, these practice questions will help you score higher in the Computer Awareness section.

Computer Awareness MCQs – Basics of Computers :

1. A computer is an __.
   A) Electrical device
   B) Electronic device
   C) Mechanical device
   D) Chemical device
2. The term “Computer” is derived from __.
   A) Compute
   B) Compile
   C) Compare
   D) Complete
3. Which of the following is the main characteristic of a computer?
   A) Slow speed
   B) Manual operation
   C) Accuracy and speed
   D) Easily tired
4. Which of the following best defines a computer?
   A) A device that stores data only
   B) A device that processes data into information
   C) A device that types documents
   D) A device for listening to music
5. The first generation of computers used __.
   A) Transistors
   B) Integrated Circuits
   C) Vacuum Tubes
   D) Microprocessors
6. The second generation of computers used __.
   A) Vacuum tubes
   B) Transistors
   C) IC chips
   D) Microprocessors
7. The third generation of computers used __.
   A) Microprocessors
   B) Transistors
   C) Integrated Circuits
   D) Vacuum tubes
8. The fourth generation of computers used __.
   A) ICs
   B) Microprocessors
   C) Transistors
   D) Superconductors
9. The fifth generation of computers is based on __.
   A) Artificial Intelligence
   B) Vacuum Tubes
   C) Transistors
   D) Punched cards
10. Which of the following is NOT a type of computer?
    A) Desktop
    B) Laptop
    C) Router
    D) Server
11. A server is mainly used to __.
    A) Play games
    B) Store and manage network data
    C) Perform mathematical calculations only
    D) Print documents
12. Which of the following is an input device?
    A) Monitor
    B) Printer
    C) Keyboard
    D) Speaker
13. Which of the following is an output device?
    A) Mouse
    B) Scanner
    C) Microphone
    D) Printer
14. The primary function of input devices is to __.
    A) Display information
    B) Store information
    C) Enter data into the computer
    D) Connect to the Internet
15. Which device is both an input and an output device?
    A) Monitor
    B) Touchscreen
    C) Keyboard
    D) Microphone
16. The main processing unit of the computer is __.
    A) CPU
    B) Mouse
    C) Monitor
    D) Keyboard
17. The full form of CPU is __.
    A) Central Processing Unit
    B) Central Power Unit
    C) Central Peripheral Unit
    D) Control Processing Unit
18. The device that converts human-readable data into machine-readable form is called __.
    A) Output device
    B) Storage device
    C) Input device
    D) Display device
19. Which of the following is NOT an input device?
    A) Mouse
    B) Microphone
    C) Plotter
    D) Scanner
20. Which of the following devices is used to get a hard copy of a document?
    A) Printer
    B) Keyboard
    C) Monitor
    D) Mouse

CORRECT ANSWER-

1. B, 2. A, 3. C, 4. B, 5. C, 6. B, 7. C, 8. B, 9. A, 10. C, 11. B, 12. C, 13. D, 14. C, 15. B, 16. A, 17. A, 18. C, 19. C, 20. A

Click here : Classification of Computers :With Pictures