Hardware MCQs Set 12 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

Boost your computer hardware knowledge with this brand-new set of 20 multiple-choice questions designed for competitive exams and IT certification tests.

Q1. Which interface is commonly used for connecting high-speed external storage devices?
A. PS/2
B. VGA
C. Thunderbolt ✔️
D. Serial Port

Q2. What is the main function of the Northbridge chipset?
A. Controls USB devices
B. Connects CPU to high-speed components ✔️
C. Manages BIOS operations
D. Provides power to components

Q3. A hardware device that regulates voltage levels is called:
A. VRAM
B. Voltage Regulator Module ✔️
C. Resistor
D. Transformer

Q4. Which monitor technology offers the best color accuracy?
A. TN
B. LED
C. IPS ✔️
D. CRT

Q5. Which type of memory retains data only while powered?
A. ROM
B. RAM ✔️
C. Flash
D. PROM

Q6. The main unit responsible for signal processing in a sound card is:
A. GPU
B. CPU
C. DSP ✔️
D. BIOS

Q7. Which expansion slot is the fastest for modern graphics cards?
A. PCI
B. PCI Express x16 ✔️
C. ISA
D. AGP

Q8. Thermal paste is used between:
A. GPU and RAM
B. CPU and Heat Sink ✔️
C. PSU and Motherboard
D. Hard Disk and Case

Q9. What does ECC RAM primarily help prevent?
A. Physical Damage
B. Data Corruption ✔️
C. Overheating
D. High Power Usage

Q10. Which connector type does a typical LAN cable use?
A. USB-B
B. RJ45 ✔️
C. HDMI
D. 3.5mm Jack

Q11. The BIOS is stored on:
A. Hard Disk
B. ROM ✔️
C. RAM
D. Flash Drive

Q12. A device used to protect a computer from sudden voltage spikes is called:
A. SMPS
B. UPS
C. Surge Protector ✔️
D. Inverter

Q13. What is the typical size of a laptop hard drive?
A. 5.25 inches
B. 2.5 inches ✔️
C. 3.5 inches
D. 1.8 inches

Q14. Which bus is responsible for communication between CPU and memory?
A. USB Bus
B. System Bus ✔️
C. Expansion Bus
D. Peripheral Bus

Q15. Which type of RAM is commonly used in servers?
A. SDRAM
B. ECC RAM ✔️
C. DDR2
D. SRAM

Q16. What is the lifespan of an SSD usually measured in?
A. Years
B. TBW (Terabytes Written) ✔️
C. GB Capacity
D. RPM

Q17. Which device translates digital signals to analog signals?
A. Router
B. Switch
C. Modem ✔️
D. Hub

Q18. Which CPU socket type is used by modern Intel processors?
A. AM4
B. SP3
C. LGA ✔️
D. PGA

Q19. The term “clock cycle” is associated with:
A. RAM Capacity
B. CPU Speed ✔️
C. GPU Cores
D. PSU Voltage

Q20. Which component stores the most permanent system settings?
A. RAM
B. SSD
C. CMOS ✔️
D. GPU