Computer Hardware Questions and Answers

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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

Showing 10 of 49 questions

1. From what location are the 1st computer instructions available on boot up?

  • ROM BIOS
  • CPU
  • boot.ini
  • CONFIG.SYS
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2. What could cause a fixed disk error.

  • No-CD installed
  • bad ram
  • slow processor
  • Incorrect CMOS settings
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3. Missing slot covers on a computer can cause?

  • over heat
  • power surges
  • EMI.
  • incomplete path for ESD
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4. When installing PCI NICS you can check the IRQ availability by looking at

  • dip switches
  • CONFIG.SYS
  • jumper settings
  • motherboard BIOS
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5. With respect to a network interface card, the term 10/100 refers to

  • protocol speed
  • a fiber speed
  • megabits per seconds
  • minimum and maximum server speed
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6. Which Motherboard form factor uses one 20 pin connector

  • ATX
  • AT
  • BABY AT
  • All of the above
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7. A hard disk is divided into tracks which are further subdivided into:

  • clusters
  • sectors
  • vectors
  • heads
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8. A wrist grounding strap contains which of the following:

  • Surge protector
  • Capacitor
  • Voltmeter
  • Resistor
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9. Which standard govern parallel communications?

  • RS232
  • RS-232a
  • CAT 5
  • IEEE 1284
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10. In laser printer technology, what happens during the conditioning stage?

  • The corona wire places a uniform positive charge on the paper
  • A uniform negative charge is placed on the photosensitive drum
  • A uniform negative charge is placed on the toner
  • All of the above
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