Hardware MCQs Set 7 – Latest Computer Hardware Multiple Choice Questions and Answers (2025 Update)

These Computer Hardware MCQs help you prepare for competitive exams, IT interviews, computer operator tests, and hardware certifications. Each question includes four options with the correct answer highlighted in green for quick learning.

1. Which component stores the basic system configuration?
A. RAM
B. HDD
C. CMOS ✔
D. GPU

2. Which type of connector is used for network cables?
A. HDMI
B. RJ-45 ✔
C. USB
D. PS/2

3. What is the main function of the motherboard chipset?
A. Data storage
B. Display output
C. Manage communication between components ✔
D. Power regulation

4. Which device is used to capture images?
A. Printer
B. Scanner ✔
C. Webcam
D. Keyboard

5. Which port is commonly used for audio output?
A. VGA
B. 3.5mm Jack ✔
C. USB-C
D. HDMI

6. The part of the CPU that stores small, temporary data is:
A. Cache
B. Register ✔
C. HDD
D. SSD

7. Which slot is used for installing graphics cards?
A. PCI
B. PCIe ✔
C. ISA
D. AGP

8. The main purpose of a NIC is:
A. Sound control
B. Network connectivity ✔
C. Power management
D. Storage control

9. Which device converts AC to DC?
A. UPS
B. Power Supply Unit ✔
C. Inverter
D. Modem

10. Which memory is the fastest?
A. ROM
B. SSD
C. Cache ✔
D. HDD

11. A touchscreen is an example of:
A. Output device
B. Input and Output device ✔
C. Storage device
D. Memory device

12. Which device displays hard copy output?
A. Monitor
B. Printer ✔
C. Scanner
D. Joystick

13. The main circuit board in a computer is called:
A. RAM board
B. Motherboard ✔
C. CPU board
D. Processor board

14. Which component is responsible for cooling inside the cabinet?
A. PSU
B. Fan ✔
C. GPU
D. Modem

15. LED monitors use:
A. Gas plasma
B. Light-emitting diodes ✔
C. Cathode tubes
D. Fluorescent lamps

16. Which connector is used for high-speed external storage?
A. RJ-11
B. PS/2
C. USB 3.0 ✔
D. VGA

17. The part of the CPU that interprets instructions is:
A. ALU
B. Control Unit ✔
C. Memory Unit
D. Buffer

18. Which hardware component is used for permanent data storage?
A. RAM
B. Hard Disk ✔
C. Cache
D. Register

19. The width of the data bus determines:
A. CPU speed
B. Amount of data transferred at once ✔
C. GPU performance
D. Signal quality

20. Which interface is best for connecting modern monitors?
A. PS/2
B. Serial Port
C. DisplayPort ✔
D. Parallel Port