Computer fundamental & Electronic Devices Exam 2025



๐Ÿ–ฅ️ COMPUTER FUNDAMENTAL TEST 2025

๐Ÿ“š Maximum Marks: 50
Time: 1 Hour 30 Minutes
๐Ÿ“˜ Instructions:

  • All questions are compulsory.
  • Write neat and to-the-point answers.
  • Figures/diagrams wherever necessary will carry extra credit.

Section A: Very Short Answer (1 mark each × 10 = 10 Marks)

Write the answer in one or two lines.

  1. What is a computer?
  2. Name two types of computers.
  3. What is a USB drive used for?
  4. Define RAM.
  5. What is the full form of CPU?
  6. Write one function of a monitor.
  7. What is CMOS?
  8. Write the full form of BIOS.
  9. What does SMPS stand for?
  10. What is RJ45 port used for?

Section B: Short Answer Type (2 marks each × 10 = 20 Marks)

Answer in 3–5 sentences.

  1. Explain the difference between HDD and external hard disk.
  2. What is a motherboard? Mention its importance.
  3. Differentiate between software and hardware.
  4. What is the function of the CPU fan?
  5. What is AGP and why is it used?
  6. Explain SATA and PATA cables and ports.
  7. What is a PS2 port? Which devices use it?
  8. Define GPU. How is it different from CPU?
  9. What is the use of a gamepad in computers?
  10. Explain the role of anti-virus software.

Section C: Long Answer Type (4 marks each × 5 = 20 Marks)

Answer in 8–10 sentences. Diagram where applicable.

  1. Describe the function of each component: Monitor, Keyboard, Mouse, Printer.
  2. Explain the structure and working of a Hard Disk Drive (HDD) with diagram.
  3. Write a note on SMPS, power button, restart button, and their importance in a computer.
  4. What are capacitors, inductors, and semiconductors? How do they function in electronic circuits?
  5. Explain the use of PCI slot, LPT port, VGA port, sound port, and how they connect to peripheral devices.




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