Hardware MCQs Set 8 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

This Hardware MCQ Set 8 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. The speed of a hard disk is measured in:
A. Kbps
B. RPM ✔
C. MHz
D. MBps

2. Which device converts digital signals into analog for transmission over telephone lines?
A. Router
B. Repeater
C. Modem ✔
D. Switch

3. Which component temporarily holds instructions during processing?
A. ROM
B. RAM ✔
C. HDD
D. SSD

4. Which port is commonly used for connecting printers?
A. USB ✔
B. HDMI
C. VGA
D. PS/2

5. A GPU is mainly used for:
A. Sound processing
B. Graphics processing ✔
C. Network management
D. Power regulation

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

7. Which connector is used for high-definition digital video output?
A. VGA
B. DVI
C. HDMI ✔
D. Serial Port

8. Which device stabilizes voltage for a computer system?
A. PSU
B. UPS ✔
C. Surge protector
D. Inverter

9. Which of the following is a solid-state storage device?
A. CD-ROM
B. Floppy Disk
C. SSD ✔
D. Magnetic Tape

10. Which CPU component performs mathematical operations?
A. ALU ✔
B. CU
C. MU
D. BUS

11. The BIOS is stored in:
A. RAM
B. HDD
C. ROM ✔
D. GPU

12. Which interface is fastest for connecting storage devices?
A. SATA 2
B. NVMe ✔
C. USB 2.0
D. Thunderbolt 1

13. A heat sink is used to:
A. Increase voltage
B. Dissipate heat ✔
C. Reduce power
D. Store energy

14. Which bus is responsible for CPU–memory communication?
A. PCI
B. System Bus ✔
C. USB
D. SCSI

15. Which type of printer uses toner?
A. Inkjet
B. Laser Printer ✔
C. Dot Matrix
D. Thermal

16. POST is performed by:
A. CPU
B. BIOS ✔
C. HDD
D. OS

17. Which component supplies power to all other components?
A. UPS
B. Power Supply Unit ✔
C. Transformer
D. Inverter

18. DDR stands for:
A. Dual Drive RAM
B. Double Data Rate ✔
C. Direct Data Read
D. Dynamic Dual RAM

19. The part of the CPU that controls execution of instructions is:
A. ALU
B. Control Unit ✔
C. Register
D. Buffer

20. The speed of USB 3.0 is up to:
A. 100 Mbps
B. 1 Gbps
C. 5 Gbps ✔
D. 10 Gbps