Computer Hardware MCQ of Computer Science SET-4 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. What command is used to reset a MODEM when using the

(i) ATR
(ii)ATZ
(iii) DTR
(iv) DCE

(ii) ATZ

Q2. In the DOS memory model, the HIGH Memory Area (HMA). is the _ memory.

(i) Last 64k of conventional
(ii) Last 64k of extended
(iii) First 64k above conventional
(iv) First 64k of extended

(iv) First 64k of extended

Q3. What is the best ground for a conductive work bench?

(i) AC outlet
(ii) Ground to bend
(iii) To another device
(iv) Chassis ground

(i) AC outlet

Q4. Which controller would support an external CD-ROM drive?

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

(iv) SCSI

Q5. What is the i/o address for com3?

(i) 3e8
(ii) 345
(iii) ff8
(iv) 5.00E+08

(i) 3e8

Q6. The floppy drive uses which DMA (direct memory access) channel?

(i) 5
(ii) 4
(iii) 1
(iv) 2

(iv) 2

Q7. Which type of cable is most likely in use with rj-45 connectors?

(i) 10base2
(ii) 10base5
(iii) 10baseT
(iv) 10baseFL

(iii) 10baseT

Q8. If the voltage on pin 1 of the power supply is not in the range of _ volts, the PC will not boot.

(i) Oct-20
(ii) 01-May
(iii) 50 – 110
(iv) 2.5 – 5

(iv) 2.5 – 5

Q9. The ESD wrist strap is designed to protect PC Components or Service Technicians ?

(i) PC Components
(ii) Service Technicians
(iii) Both
(iv) None of the Above

(iii) Both

Q10. You were installing an application in Windows 95, and the computer crashes, what do you do?

(i) press alt + Ctrl + delete, twice
(ii) press alt + Ctrl + delete, and end task
(iii) press the reset button on the computer
(iv) turn off computer and boot from a floppy disk

(iv) turn off computer and boot from a floppy disk

Q11. Which component stores an electrical charge?

(i) diode
(ii) rectifier
(iii) capacitor
(iv) resistor

(iii) capacitor

Q12. What component would most likely cause a “parity error”?

(i) bad hard disk
(ii) bad controller
(iii) bad RAM
(iv) bad software

(iii) bad RAM

Q13. What voltage does a 586 system use?

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

(ii) + 5 volts

Q14. A 25-pin female connector on the back of your computer will typically be:

(i) Serial port 1
(ii) A parallel port
(iii) Docking
(iv) COM2 port

(ii) A parallel port

Q15. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:

(i) The device that sends the monitor signals telling it what to display
(ii) The area that regulates all of the system power usage
(iii) The area where ail the of the Basic input/output routines are stored
(iv) The area where all of the processing takes place

(iv) The area where all of the processing takes place

Q16. You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?

(i) The port speed is set too high
(ii) the modem has not been set up in control panel properties
(iii) the phone line is plugged into the line-in port on the modem card
(iv) the phone line out of the wall is plugged into the phone port on the modem card

(iv) the phone line out of the wall is plugged into the phone port on the modem card

Q17. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.

(i) cable sequence
(ii) jumpers on the hard drive
(iii) drivers that need to be loaded
(iv) hard drive manufacturer web site information

(ii) jumpers on the hard drive

Q18. 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

Q19. A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

(i) The cables are attached firmly
(ii) The external drive has been pre¬loaded with the appropriate software
(iii) The external drive was attached before the computer was on
(iv) All of the above

(iv) All of the above

Q20. You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of:

(i) RFI
(ii) EMI
(iii) EXE
(iv) FYI

(ii) EMI

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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