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
21. The 34-pin connection on an I/O card is for?
- Floppy drive
- SCSI drive
- IDE drive
- Zip drive
22. The terms "red book", "yellow book", and "orange book" refer to:
- SCSI
- ide
- floppy drive technology
- CD-ROM standards
23. On the 16-bit ISA bus, IRQ2 is elevated to which higher level Interrupt?
- 9
- 11
- 13
- 15
24. What beep codes could indicate a system board or power supply failure?
- steady short beep
- no beep
- one long continuous beep tone
- steady long beeps
25. To view any currently running Terminate Stay Resident (TSR's) programs you could type:
- Memory
- MEM
- SYS /M
- Memmaker
26. Which part of the laser printer should NOT be exposed to sunlight?
- Transfer corona assembly
- PC drum
- Primary corona wire
- Toner cartridge
27. After doing a low-level format, what would be the next step in configuring the hard drive in a system?
- Format DOS partition
- Install operating system
- Configure DMA channel and back-up interrupt
- Partition had disk
29. What command is used to reset a MODEM when using the "AT Command Set"?
- ATR
- ATZ
- DTR
- DCE
30. When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:
- B0007
- An unused SCSI address
- The same address as the SCSI device before the CD-ROM
- SCSI ID=1