Hardware MCQs Set 7 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

This Hardware MCQ Set 7 includes a new collection of high-quality computer hardware multiple-choice questions designed for exams, interviews, and IT skills assessment. Each question features four options with correctly highlighted answers for quick revision and effective learning.

1. Which device converts digital data into a visual display?

A. Scanner
B. Printer
C. Monitor ✔
D. Speaker

2. Which storage device has the highest data access speed?
A. HDD
B. DVD
C. NVMe SSD ✔
D. USB Flash Drive

3. Which component inside a computer generates significant heat?
A. Keyboard
B. CPU
C. GPU ✔
D. NIC Card

4. Which type of port is used to connect an older mouse?
A. HDMI
B. PS/2 ✔
C. USB-C
D. Ethernet

5. What is the primary purpose of thermal paste?
A. To protect motherboard
B. To increase CPU speed
C. To improve heat transfer between CPU and heatsink ✔
D. To cool hard disk

6. Which device provides both input and output functions?
A. Printer
B. Touchscreen ✔
C. Mouse
D. Speaker

7. Which cable carries both video and audio signals?
A. VGA
B. DVI
C. HDMI ✔
D. Serial Cable

8. What is the function of a chipset on the motherboard?
A. Increase storage
B. Manage communication between CPU and other components ✔
C. Control speakers
D. Boost network speed

9. Which display technology consumes the least power?
A. CRT
B. Plasma
C. LED ✔
D. LCD (Old type)

10. Which device is mainly used to protect PC from lightning strikes?
A. Router
B. Surge Protector ✔
C. Hub
D. Webcam

11. Which component handles audio processing?
A. CPU
B. Sound Card ✔
C. NIC
D. RAM

12. Which part holds the BIOS firmware?
A. RAM
B. SSD
C. ROM Chip ✔
D. GPU

13. Which device reads information from a credit or ID card?
A. Scanner
B. Printer
C. Magnetic Stripe Reader ✔
D. Barcode Gun

14. What does the refresh rate of a monitor measure?
A. Brightness
B. Resolution
C. Number of screen redraws per second ✔
D. Color depth

15. Which connector is used for high-quality audio devices?
A. VGA
B. HDMI
C. Optical Audio Port ✔
D. PS/2

16. Which hardware communicates directly with the CPU for data transfer?
A. Printer
B. Keyboard
C. Main Memory (RAM) ✔
D. Projector

17. What is the speed of a traditional HDD measured in?
A. GHz
B. MB/s
C. RPM ✔
D. Bits per second

18. Which device is used to translate typed text into speech?
A. Webcam
B. Text-to-Speech Device ✔
C. Printer
D. Microphone

19. What is the main purpose of a computer fan?
A. Increase voltage
B. Output sound
C. Control system temperature ✔
D. Boot the system

20. Which interface provides the fastest external device connectivity?
A. USB 2.0
B. FireWire
C. USB 3.1 / USB 3.2 ✔
D. Parallel Port