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
41. On the PC side, the printer port is a:
- 25 pin female serial connector
- 15 pin female parallel connector
- 25 pin male serial connector
- 15 pin female serial connector
42. You were installing an application in Windows 95, and the computer crashes, what do you do?
- press alt + Ctrl + delete, twice
- press alt + Ctrl + delete, and end task
- press the reset button on the computer
- turn off computer and boot from a floppy disk
43. RS-232 is a standard that applies to:
- serial ports
- parallel ports
- game ports
- networks
44. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.
- cable sequence
- jumpers on the hard drive
- drivers that need to be loaded
- hard drive manufacturer web site information
45. During boot-up, the memory test:
- Is a superfluous step that should be ignored
- Checks and verifies that contiguous memory is installed
- Is an operational error
- Displays what memory is installed, but nothing else
46. What is the best ground for a conductive work bench?
- AC outlet
- Ground to bend
- To another device
- Chassis ground
48. What is the first thing you could do to check for damage to a printer after receiving it?
- Run MSD diagnostics
- Attach it to a PC and print something
- Check the cables
- Unbox it and examine it for physical damage
49. You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?
- rotate the RAM
- replace the RAM
- replace the level 2 cache SIMM
- disable the CPU cache in CMOS