Hardware MCQs Set 20 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

This set offers brand-new multiple-choice questions on fundamental and advanced computer hardware concepts. All correct answers are marked in green with a green check mark for easy understanding and revision.

1. Which device converts digital signals to analog for telephone lines?
A. Router
B. Switch
C. Modem ✔
D. Repeater

2. Which form factor is most commonly used in desktop motherboards?
A. BTX
B. ATX ✔
C. LPX
D. DTX

3. Which connector supplies dedicated power to the CPU on the motherboard?
A. 24-pin ATX
B. SATA Power
C. 4/8-pin EPS ✔
D. USB Header

4. DDR stands for:
A. Dual Data Rate
B. Double Data Rate ✔
C. Dynamic Desktop RAM
D. Dual Direct RAM

5. Which port is used to connect external displays with high resolution?
A. PS/2
B. DisplayPort ✔
C. Serial Port
D. RJ-45

6. What type of storage uses flash memory?
A. HDD
B. SSD ✔
C. CD-ROM
D. Tape Drive

7. Which unit stores data nearest to the CPU?
A. RAM
B. Cache Memory ✔
C. SSD
D. ROM

8. Which computer port is the oldest among these?
A. USB
B. HDMI
C. Serial Port ✔
D. Thunderbolt

9. Which memory stores startup instructions required for booting?
A. RAM
B. ROM ✔
C. Cache
D. GPU

10. Which keyboard layout is most widely used?
A. DVORAK
B. QWERTY ✔
C. Colemak
D. AZERTY

11. Which connector is used to power SATA drives?
A. Molex
B. SATA Power Connector ✔
C. USB Type A
D. PCIe Connector

12. Which hardware device improves sound output quality?
A. GPU
B. Sound Card ✔
C. SMPS
D. RAM

13. What does POST stand for?
A. Program Output System Test
B. Power-On Self Test ✔
C. Primary Operating System Task
D. Peripheral Operation Status Test

14. Which component reduces electrical noise in the power supply?
A. RAM
B. CPU
C. Capacitors ✔
D. Heat Sink

15. Which device is used for biometric authentication?
A. Trackball
B. Fingerprint Scanner ✔
C. Modem
D. PSU

16. Which type of computer memory is the slowest?
A. Cache
B. RAM
C. Hard Disk ✔
D. ROM

17. Which port is used for connecting network cables?
A. VGA
B. RJ-45 ✔
C. HDMI
D. USB

18. Which device provides backup power during outages?
A. Router
B. Switch
C. UPS ✔
D. Monitor

19. Which type of storage is ideal for long-term archiving?
A. SSD
B. RAM
C. Magnetic Tape ✔
D. Cache

20. What does GPU mainly process?
A. Audio Signals
B. Graphics Data ✔
C. Power Supply
D. Network Traffic

Tags Computer MCQs Hardware

Share to: Twitter Facebook

URL Print