Hardware MCQs Set 16 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

This set includes 20 completely new Computer Hardware MCQs suitable for competitive exams, IT certifications, and interview preparation. All correct answers are highlighted in green with a checkmark, following your exact A/B/C/D format.

Improve your hardware fundamentals with these new and unique multiple-choice questions, specially crafted for exam preparation and technical learning.

Q1. Which device is used to store the bootloader of a computer?
A. RAM
B. GPU
C. ROM ✔
D. PSU

Q2. What is the name of the slot used to install RAM?
A. PCI Slot
B. SATA Slot
C. DIMM Slot ✔
D. AGP Slot

Q3. Which component controls the timing signals in a computer system?
A. GPU
B. SSD
C. System Clock ✔
D. PSU Fan

Q4. A trackball is classified as a:
A. Storage Device
B. Pointing Device ✔
C. Output Device
D. Processing Device

Q5. Which cable is used to connect internal hard drives?
A. HDMI Cable
B. VGA Cable
C. SATA Cable ✔
D. PS/2 Cable

Q6. Which part of the CPU fetches and interprets instructions?
A. ALU
B. Control Unit ✔
C. Cache
D. Register

Q7. The device used to maintain stable voltage for computers is called:
A. RAM Stick
B. Voltage Stabilizer ✔
C. LAN Card
D. Sound Card

Q8. What type of memory is used as a buffer between CPU and RAM?
A. ROM
B. Flash Drive
C. Cache Memory ✔
D. DVD

Q9. Which device controls communication between a computer and network?
A. Modem
B. Network Interface Card ✔
C. SMPS
D. CPU Fan

Q10. What is the common connector type for modern keyboards?
A. PS/2 Connector
B. USB Connector ✔
C. RCA Connector
D. HDMI Connector

Q11. The unit used to measure storage device capacity is:
A. MHz
B. GHz
C. GB ✔
D. DPI

Q12. The part of a monitor that displays the image is called:
A. PSU
B. Screen Panel ✔
C. Heat Sink
D. Expansion Slot

Q13. Which component helps deliver regulated power to the motherboard?
A. GPU
B. CPU
C. SMPS ✔
D. RAM Module

Q14. The main advantage of LED monitors over LCD monitors is:
A. Slower response time
B. Better energy efficiency ✔
C. More heat generation
D. Larger size only

Q15. Which of the following is an optical storage device?
A. SSD
B. CD-ROM ✔
C. USB Drive
D. HDD

Q16. The L1, L2, and L3 terms refer to:
A. Types of processors
B. Levels of Cache Memory ✔
C. Graphics card categories
D. Monitor resolutions

Q17. A barcode scanner uses what type of technology?
A. Magnetic
B. Optical ✔
C. Thermal
D. Electrical

Q18. Which connector is typically used for audio output?
A. USB-C
B. HDMI
C. 3.5mm Jack ✔
D. RJ45

Q19. Which component is responsible for temporary data storage?
A. HDD
B. SSD
C. RAM ✔
D. CPU Fan

Q20. A hardware device that allows users to input handwritten data is:
A. Microphone
B. Projector
C. Graphics Tablet ✔
D. Speaker