Computer fundamental & Electronic Devices Exam 2025
๐ฅ️ COMPUTER FUNDAMENTAL TEST 2025
๐ Maximum Marks: 50
⏳ Time: 1 Hour 30 Minutes
๐ 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.
- What is a computer?
- Name two types of computers.
- What is a USB drive used for?
- Define RAM.
- What is the full form of CPU?
- Write one function of a monitor.
- What is CMOS?
- Write the full form of BIOS.
- What does SMPS stand for?
- What is RJ45 port used for?
Section B: Short Answer Type (2 marks each × 10 = 20 Marks)
Answer in 3–5 sentences.
- Explain the difference between HDD and external hard disk.
- What is a motherboard? Mention its importance.
- Differentiate between software and hardware.
- What is the function of the CPU fan?
- What is AGP and why is it used?
- Explain SATA and PATA cables and ports.
- What is a PS2 port? Which devices use it?
- Define GPU. How is it different from CPU?
- What is the use of a gamepad in computers?
- 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.
- Describe the function of each component: Monitor, Keyboard, Mouse, Printer.
- Explain the structure and working of a Hard Disk Drive (HDD) with diagram.
- Write a note on SMPS, power button, restart button, and their importance in a computer.
- What are capacitors, inductors, and semiconductors? How do they function in electronic circuits?
- Explain the use of PCI slot, LPT port, VGA port, sound port, and how they connect to peripheral devices.
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