Basic Hardware Interview Online Test
Technical interview questions and answers are very important for Basic Hardware Interviews because companies want to check whether candidates understand computer components, troubleshooting, motherboard basics, RAM, CPU, storage devices, and peripheral handling. Hardware knowledge is extremely valuable for IT support, technical assistant, and computer operator roles. Companies like TCS, Infosys, Wipro, Cognizant, and Capgemini often include hardware questions in entry-level interviews to test practical understanding. This guide covers commonly asked Basic Hardware interview questions with simple explanations that help students, freshers, and job seekers grasp the fundamentals easily. These questions will strengthen your confidence in answering technical support queries and performing well in campus placements and walk-in interviews.
2. What would you set your multimeter to if you wanted to detect an AC ripple?
Answer: AC Voltage
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3. After you install a new floppy drive and restart the system, the floppy drive light stays on constantly and you get an “FDD Controller Failure” POST error. What is the problem?
Answer: Floppy cable on backwards
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4. What type of port communicates information to a peripheral device one bit at a time?
Answer: Serial port
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5. Should you wear a grounding strap when servicing a CRT monitor?
Answer: +5V
-5V
+12V
-12V
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6. If your monitor just shows dots when you turn it on, what is most likely the problem?
Answer: Bad Video RAM
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7. You have 2 hard drives installed on your primary EIDE controller. You install a CD-ROM on your secondary EIDE controller. What jumper setting would you use for the CD-ROM?
Answer: Master
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8. What factor determines the amount of RAM a CPU can control?
Answer: Width of the Address Bus
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11. A 15 pin, three row, female connector on the back of a PC would be used for?
Answer: VGA/SVGA port
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12. On a laser printer the primary corona does what?
Answer: Places a uniform negative charge on the photosensitive drum.
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14. Using a portion of hard disk space to serve as RAM is called?
Answer: Virtual Memory
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17. How can you tell that a PC has successfully completed its Power on Self Test (POST)?
Answer: A single beep at startup
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19. On a laser printer, the laser beam performs what function?
Answer: Changes the charge on the photosensitive drum
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20. Which electrical component will hold a charge even when no voltage is being applied?
Answer: Capacitor
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21. Your PC is working perfectly, but you notice the power supply fan has stopped working. What should you do?
Answer: Replace the power supply
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24. The default memory address for the monochrome region of memory is?
Answer: B0000 - B7FFF
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26. In serial communication, the setting 8,N,1 means?
Answer: 8 data bits, no parity, 1 stop bit
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27. The 2 most important considerations when selecting a surge suppressor are?
Answer: Clamping speed and Clamping voltage
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