Hardware MCQs Set 17 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

Computer Hardware MCQs Set 18 | Important Hardware Questions with Answers

This set contains fresh and unique computer hardware multiple-choice questions for exam preparation. Correct answers are highlighted in green with a green check mark.

1. Which connector is commonly used for older keyboards and mice?
A. USB
B. PS/2 ✔
C. FireWire
D. HDMI

2. Which unit stores data temporarily for CPU operations?
A. SSD
B. HDD
C. RAM ✔
D. ROM

3. What type of memory retains data even when powered off?
A. Cache
B. ROM ✔
C. RAM
D. Register

4. Which port is mainly used for monitors?
A. PS/2
B. VGA ✔
C. RJ-45
D. SATA

5. Which device converts AC to DC inside a computer?
A. Motherboard
B. Processor
C. SMPS ✔
D. RAM

6. Which storage device uses spinning magnetic platters?
A. SSD
B. HDD ✔
C. Micro SD
D. Flash Drive

7. What is the main function of a heat sink?
A. Transfer data
B. Dissipate heat ✔
C. Increase power
D. Store files

8. Which interface is fastest for connecting modern SSDs?
A. SATA
B. NVMe ✔
C. IDE
D. USB 2.0

9. BIOS is stored in which type of memory?
A. DRAM
B. ROM/Flash Memory ✔
C. Cache
D. Registers

10. Which is the primary circuit board of the computer?
A. SMPS
B. Motherboard ✔
C. SSD
D. CPU

11. What does GPU stand for?
A. General Processing Unit
B. Graphics Processing Unit ✔
C. Ground Power Unit
D. Global Processing User

12. Which device is used to input handwritten signatures?
A. Trackball
B. Digitizer Tablet ✔
C. Microphone
D. Scanner

13. Which component executes arithmetic operations?
A. GPU
B. PSU
C. ALU ✔
D. Northbridge

14. Which cable carries digital video/audio signals?
A. VGA
B. HDMI ✔
C. PS/2
D. IDE

15. Which type of printer uses powdered ink?
A. Inkjet
B. Laser Printer ✔
C. Dot Matrix
D. Ribbon Printer

16. Which component temporarily holds instructions for CPU?
A. SSD
B. Primary Memory ✔
C. SMPS
D. BIOS

17. What does SMPS stand for?
A. Standard Mechanical Power Source
B. Switched Mode Power Supply ✔
C. System Main Power Source
D. Super Modular Power Switch

18. Which device allows internet access through a phone line?
A. Router
B. Switch
C. Modem ✔
D. NIC

19. A printer is an example of which device?
A. Input
B. Storage
C. Output Device ✔
D. Processing

20. Which component connects the CPU to RAM?
A. USB Hub
B. Memory Controller ✔
C. Power Cable
D. VRAM