Computer Hardware Questions and Answers
Computer Hardware forms the backbone of every computing device, and questions related to this are common in aptitude questions and answers sections of SSC JE, DRDO, and ISRO exams. Hardware components like CPU, RAM, motherboard, and I/O devices define system performance. This article provides aptitude test practice questions covering hardware architecture, storage devices, and peripheral communication. Each question includes a clear explanation to strengthen your understanding of computer fundamentals — a must for engineering, government, and placement exam aspirants.
Computer Hardware
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49 questions
31. Pick the correct choice for the 80386SXCPU.
- 16 bit word size, 16 bit data path
- 32 bit word size, 16 bit data path
- 8 bit word size, 32 bit data path
- 32 bit word size, 8 bit data path
32. In Inkjet technology the droplets of ink are deflected by?
- multi directional nozzles
- electronically charged plates
- high pressure plates
- electro static absorbtion
33. When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL
- TRUE
- FALSE
34. What tool is used to test serial and parallel ports?
- high volt probe
- cable scanner
- loop backs (wrap plugs)
- sniffer
35. ESD would cause the most damage to which component?
- Power supply
- Expansion board
- Monitor
- Keyboard
36. What is the highest binary number that can be referred to on a three position jumper block?
- 4
- 6
- F
- 1
37. What voltage does a Pentium system use?
- +12 volts
- + 5 volts
- + 8 volts
- +3.3 volts
38. A numeric error code check: A 17xx indicates a problem with:
- CMOS
- ROM BIOS
- DMA controller
- hard drive or controller
39. Which provides the fastest access to large video files?
- Optical drives
- IDE hard drives
- SCSI hard drives
- EIDE hard drives
40. A 25-pin female connector on the back of your computer will typically be:
- Serial port 1
- A parallel port
- Docking
- COM2 port