300+ TOP Computer Hardware MCQ Questions & Answers

Computer Hardware Multiple Choice Questions :-

1. How many pins does a SIMM have?

A. 50
B. 64
C. 30 or 72
D. 168
Answer: C

2. The various cards in a PC requires  _______ voltage to function.
A. AC
B. DC
Answer: B

3. What type of hard disk formatting creates FAT (File Allocation Table) ?
A. High Level
B. Low Level
Answer: A

4. What is the name of the printed circuit board?
A. Ram
B. Mother Board
Answer: B

5. Which Component of pc maintains data and time
A. CMOS RAM
B. vRAM
Answer: A

6. IRQ 1 is commonly assigned to:
A. it’s usually open
B. system timer
C. real time clock
D. keyboard
Answer: D

7. LCD monitor is also known as___________
A. TFT
B. CRT
Answer: A

8. How can you tell that a particular ribbon cable should only be used to connect a floppy drive?
A. it
B. it has a red line along one edge
C. it
D. it has a twist in it
Answer: D

9. Data stored in a ROM cannot be changed by user of a computer?
A. TRUE
B. FALSE
Answer: A

10. Is the data in a RAM stored on a permanent or temporary basis
A. Temporary
B. Permanent
Answer: A

11. Winchester drive is also called:
A. Hard Disk Drive
B. Floppy Disk Drive
Answer: A

12. TO write, erase, rewrite data on a CD RAM what type of  CD ROM you should use?
A. CD-RW
B. CD R
Answer: A

13. A byte is equivalent to…?
A. 8 bits
B. 10 bits
Answer: A

14. SMPS stands for:
A. Switch Mode Power Supply
B. Simple Mode Power Supply
Answer: A

15. Which of the following is NOT a type of motherboard expansion slot?
A. ISA
B. PCI
C. AGP
D. ATX
Answer: D

16. Which IRQ does LPT1 commonly use?
A. 1
B. 4
C. 5
D. 7
Answer: D

17. How much data will a high density (HD) floppy disk hold?
A. 124 KB
B. 640 KB
C. 1.44 MB
D. 2.88MB
Answer: C

18. What is the name of the spec for the holes in a monitor’s aperture grill?
A. dot pitch
B. space holes
Answer: A

19. Which is the best hard disk seek time?
A. 3ms
B. 5ms
Answer: B

20. Fragmentation of data on computer hard disk causes it to work faster than before?
A. FALSE
B. TRUE
Answer: A

21. What is the name of the card that controls read,write head and motor in the hard disk
A. Network Card
B. Disc Controller Card
Answer: B

22. Which of the following retains the information it’s storing when the power to the system is turned off?
A. CPU
B. ROM
C. DRAM
D. DIMM
Answer: B

23. Acronym of HDD?
A. Hard Disk Drive
B. Hard Drive Disk
Answer: A

24.A program written using binary codes is called:
A. Software language
B. Machine language
Answer: B

25. How many bytes a sector of hard disk holds?
A. 512 Bytes
B. 1024 Bytes
Answer: A

26. To be bootable a DOS partition must be:
A. active
B. copied
Answer: A

27. What does FDISK do?
A. performs low-level formatting of the hard drive
B. fixes bad sectors on the hard drive
C. recovers lost clusters on the hard drive
D. creates partitions on the hard drive
Answer: D

28. hat kind of connectors are used to connect a PC power supply to a hard drive?
A. AT
B. molex
C. mini-molex
D. P9
Answer: B

29. Acronym of FDD?
A. Floppy Drive Disk
B. Floppy Disk Drive
Answer: B

30. Which of the following is NOT a type of computer hard drive?
A. IDE
B. FDD
C. SCSI
D. EIDE
Answer: B

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