Hardware MCQs Set 8 – Latest Computer Hardware Multiple Choice Questions and Answers (2025 Update)

This set of Computer Hardware MCQs is designed for job tests, IT exams, competitive exams, and computer operator assessments. All questions are unique and include clear correct answers highlighted in green.

1. Which type of RAM is commonly used in modern laptops?
A. DDR2
B. DDR3
C. DDR4 SODIMM ✔
D. SRAM

2. Which hardware device allows wireless network connectivity?
A. Switch
B. Wi-Fi Adapter ✔
C. Hub
D. Modem Router

3. What is the primary purpose of a heat pipe in CPU cooling?
A. Store heat
B. Transfer heat efficiently ✔
C. Reduce electricity
D. Increase airflow

4. Which interface is used by SSDs for the fastest performance?
A. SATA 1
B. SATA 2
C. SATA 3
D. PCIe NVMe ✔

5. Which type of display uses organic compounds to emit light?
A. LCD
B. OLED ✔
C. LED
D. CRT

6. Which device measures system temperature?
A. Fan
B. Thermal Sensor ✔
C. PSU
D. NIC

7. What does DPI refer to in printers?
A. Data Processing Input
B. Dots Per Inch ✔
C. Dual Pixel Integration
D. Digital Print Index

8. Which component acts as the brain of the GPU?
A. Heat Sink
B. Graphics Processor ✔
C. VRAM
D. Shader Fan

9. Which storage device is most suitable for archiving data long-term?
A. RAM
B. SSD
C. Magnetic Tape ✔
D. Cache Memory

10. What technology is used in barcode scanners?
A. X-ray
B. Laser ✔
C. Plasma
D. UV Light

11. Which port is commonly found on older monitors?
A. VGA ✔
B. USB-C
C. RJ-11
D. FireWire

12. Which device stores the operating system permanently?
A. RAM
B. Hard Disk / SSD ✔
C. CPU
D. Cache Memory

13. What type of hardware is a stylus?
A. Output Device
B. Input Device ✔
C. Storage Device
D. Memory Device

14. Which type of RAM is fastest?
A. DRAM
B. SRAM ✔
C. DDR2
D. DDR5

15. RAID technology is used for:
A. Graphics enhancement
B. Data protection and performance ✔
C. Video editing
D. CPU cooling

16. Which hardware component produces sound?
A. Monitor
B. Keyboard
C. Speaker ✔
D. Scanner

17. Which connector powers the CPU on the motherboard?
A. SATA Power
B. Molex
C. 4-pin / 8-pin EPS ✔
D. PCIe Power

18. Which memory is used in graphics cards?
A. DDR4
B. DRAM
C. GDDR ✔
D. SRAM

19. Which component enables multiple monitors to be connected?
A. PSU
B. Graphics Card ✔
C. Sound Card
D. RAM

20. What is the function of a BIOS battery?
A. Increase CPU speed
B. Maintain BIOS settings ✔
C. Cool the CPU
D. Store operating system