Computer Hardware MCQ of Computer Science SET-12 with Answers free PDF

We have provide here is the list of Computer Hardware MCQs for Computer Engineering preparation competitive exams. Each question has four options followed by the right answer.

MCQ Questions for Computer Hardware with Answers

Q1. How many bits in a byte?

(i) 16
(ii) 8
(iii) 255
(iv) 10

(ii) 8

Q2. During the boot process, a system first counts memory from where?

(i) Expansion memory board
(ii) Video adapter
(iii) System board
(iv) Cache

(iii) System board

Q3. What configuration should a Volt-Ohm meter he set to when testing a fuse?

(i) DC volts
(ii) AC volts
(iii) Amperage
(iv) Ohms

(iv) Ohms

Q4. What is the modem hang up command?

(i) ATHU
(ii) ATH
(iii) ATZ
(iv) ATX

(ii) ATH

Q5. RS-232 is a standard that applies to:

(i) serial ports
(ii) parallel ports
(iii) game ports
(iv) networks

(i) serial ports

Q6. During preventative maintenance on a dot matrix printer, do NOT lubricate:

(i) Platen assembly
(ii) Print head pulley
(iii) Print head pins
(iv) Paper advance gear bushings

(iii) Print head pins

Q7. On the PC side, the printer port is a:

(i) 25 pin female serial connector
(ii) 15 pin female parallel connector
(iii) 25 pin male serial connector
(iv) 25 pin female parallel connector

(iv) 25 pin female parallel connector

Q8. In which mode can 2 or more applications be stored in memory at the same time?

(i) Segmented Mode
(ii) Unprotected Mode
(iii) Real Mode
(iv) Protected Mode

(iv) Protected Mode

Q9. A PCMCIA measuring 10.5mm is what type?

(i) type 1
(ii) type 2
(iii) type 1 and 3
(iv) type 3

(iv) type 3

Q10. Which controller would support an external CD-ROM drive?

(i) ESDI
(ii) ARLL
(iii) MFM
(iv) SCSI

(iv) SCSI

Q11. A 6xx indicates a problem with the:

(i) floppy drive
(ii) hard drive
(iii) keyboard
(iv) CD ROM

(i) floppy drive

Q12. Which provides the fastest access to large video files?

(i) Optical drives
(ii) IDE hard drives
(iii) SCSI hard drives
(iv) EIDE hard drives

(iii) SCSI hard drives

Q13. During the normal PC boot process, which of the following is active first?

(i) RAM BIOS
(ii) CMOS
(iii) ROM BIOS
(iv) Hard disk information

(iii) ROM BIOS

Q14. Before sending data, a modem sends a request to send signal, or RTS.

(i) True
(ii) FALSE
(iii) bearing
(iv) power supply

(i) True

Q15. How is ink transferred to paper in common ink jet printers?

(i) Boiling ink
(ii) Crystal
(iii) Motorized pump
(iv) Screens deflect ink on the paper into the proper positions

(ii) Crystal

Q16. Which common bus specification provides the fastest data transfer rate?

(i) VL bus
(ii) ISA
(iii) PCI
(iv) All of the above

(iii) PCI

Q17. What voltage does a Pentium system use?

(i) +12 volts
(ii) + 5 volts
(iii) + 8 volts
(iv) +3.3 volts

(iv) +3.3 volts

Q18. On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

(i) Platten bearings
(ii) Carriage rails
(iii) Printhead
(iv) Paper advance bearings

(iii) Printhead

Q19. After you service a laser printer, you notice dirty print. Which of the following would correct the problem.

(i) Clean the developer tank
(ii) Reset the printer
(iii) Run several blank pages
(iv) Clean the laser diode

(iii) Run several blank pages

Q20. To prevent toner from sticking to a laser printer’s heat rollers, apply which of the following:

(i) Alcohol
(ii) Oil
(iii) Ammonia
(iv) Beer or Jack Daniels

(ii) Oil

We hope the given Computer Engineering MCQ Questions for Computer Hardware with Answers PDF Free Download will help you. If you have any queries regarding Computer Hardware MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soons.

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