Hardware MCQs Set 11 – Advanced Computer Hardware Multiple Choice Questions with Answers (2025)

This set of 20 unique Computer Hardware MCQs is designed for exam preparation and technical interviews. All answers are marked in green with checkmarks, following your required A, B, C, D pattern without lists.

Test your knowledge with this fresh set of hardware-related MCQs designed for competitive exams and IT students.

Q1. What type of connector is commonly used for internal hard drives in modern PCs?
A. IDE
B. Molex
C. SATA ✔️
D. Parallel Port

Q2. Which device converts AC to DC inside a computer?
A. Motherboard
B. Inverter
C. SMPS ✔️
D. UPS

Q3. Which port is used primarily for audio input?
A. HDMI
B. Mic Port ✔️
C. VGA
D. LAN

Q4. What component determines how many devices can be connected to a motherboard?
A. Power Supply
B. Number of Slots ✔️
C. Processor Speed
D. Cooling System

Q5. Which memory is best suited for fast access by CPU?
A. DDR4 RAM
B. HDD
C. Cache Memory ✔️
D. USB Flash

Q6. Which device helps maintain temperature in high-performance CPUs?
A. PSU
B. Liquid Cooler ✔️
C. Network Card
D. Speaker

Q7. PCIe is mainly used for connecting:
A. Monitors
B. Printers
C. Graphics Cards ✔️
D. Keyboards

Q8. What is the function of the CMOS battery?
A. Power the Hard Disk
B. Increase CPU Speed
C. Store BIOS Settings ✔️
D. Control USB Ports

Q9. Which technology is used in SSDs for storage?
A. Magnetic Platter
B. Optical Disc
C. NAND Flash ✔️
D. Tape Drive

Q10. The term “overclocking” refers to:
A. Reducing Clock Speed
B. Increasing Processor Speed Beyond Limit ✔️
C. Slowing RAM
D. Controlling Power Usage

Q11. A GPU is mainly responsible for:
A. Managing Network Traffic
B. Cooling the System
C. Rendering Graphics ✔️
D. BIOS Configuration

Q12. Heat sinks are made mostly of:
A. Plastic
B. Wood
C. Aluminum ✔️
D. Rubber

Q13. What component handles communication between CPU, RAM, and other parts?
A. PSU
B. Chipset ✔️
C. BIOS
D. SSD

Q14. Which connector is used for high-quality digital audio/video?
A. VGA
B. DVI
C. HDMI ✔️
D. PS/2

Q15. Which hardware is essential for wireless communication?
A. Sound Card
B. Serial Port
C. Wi-Fi Card ✔️
D. GPU

Q16. What is the common RPM value for standard HDDs?
A. 1800 RPM
B. 7200 RPM ✔️
C. 3200 RPM
D. 10000 RPM

Q17. Which device is used to test power supply output?
A. BIOS Tool
B. PSU Tester ✔️
C. Multimeter Only
D. GPU Monitor

Q18. Which laptop component is integrated and not easily replaceable?
A. HDD
B. RAM
C. CPU ✔️
D. Battery

Q19. The part of the CPU responsible for logical operations is:
A. CU
B. ALU ✔️
C. Register
D. Cache

Q20. A fingerprint scanner is an example of:
A. Output Device
B. Biometric Input Device ✔️
C. Display Unit
D. Backup Device