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
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