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 devices does USB support?
(i) 127
(ii) 125
(iii) 100
(iv) 225
(i) 127
Q2. The standard VGA display has _ pixels in its native graphics mode?
(i) 648 x 320
(ii) 640 x 480
(iii) 680 x 440
(iv) 1024 x 786
(ii) 640 x 480
Q3. A parity error usually indicates a problem with:
(i) memory
(ii) hard drive
(iii) hard drive controller
(iv) I/O controller
(i) memory
Q4. Which device is on IRQ 6?
(i) Keyboard
(ii) IDE
(iii) Floppy drive
(iv) Video card
(iii) Floppy drive
Q5. The terms “red book”, “yellow book”, and “orange book” refer to:
(i) SCSI
(ii) ide
(iii) floppy drive technology
(iv) CD-ROM standards
(iv) CD-ROM standards
Q6. What problem can occur if a printer cable is to close to a power cable?
(i) ESD Electrostatic Discharge
(ii) EMI Electromagnetic Interference
(iii) parity error
(iv) no affect
(ii) EMI Electromagnetic Interference
Q7. Which would you have to upgrade to install an EIDE drive?
(i) RAM BIOS
(ii) A 286 CPU
(iii) Controller board
(iv) ISA motherboard
(iii) Controller board
Q8. Which of the following FRUs would be considered both an input/output device?
(i) Video board
(ii) SCSI host adapter
(iii) System board CPU
(iv) All of the above
(ii) SCSI host adapter
Q9. The mouse pointer moves erratically, what is the possible cause? The mouse
(i) ball is dirty
(ii) is not connected
(iii) driver is not installed properly
(iv) has an incorrect IRQ setting
(i) ball is dirty
Q10. What is the most likely cause of an “FDD controller Failure” error message?
(i) you did not set the jumper on the floppy drive to drive A
(ii) you forgot to flash CMOS
(iii) you installed the floppy disk drive cable backward
(iv) your computer’s floppy drive is defective
(iii) you installed the floppy disk drive cable backward
Q11. What does the acronym RTS represent?
(i) Required to save
(ii) Ready to start
(iii) Request to send
(iv) Right to separate
(iii) Request to send
Q12. What IRQ is used for COM 2?
(i) 4
(ii) 3
(iii) 2
(iv) 1
(ii) 3
Q13. What could cause a fixed disk error?
(i) No-CD installed
(ii) Bad RAM
(iii) Slow processor
(iv) Incorrect CMOS settings
(iv) Incorrect CMOS settings
Q14. ESD would cause the most damage to which component?
(i) Power supply
(ii) Expansion board
(iii) Monitor
(iv) Keyboard
(ii) Expansion board
Q15. “Parity” errors usually indicate bad memory
(i) True
(ii) FALSE
(iii) LPT2
(iv) The modem
(i) True
Q16. What can you use to ensure power is not interrupted, resulting in corrupted data?
(i) UPS
(ii) Proper grounding
(iii) Surge protector
(iv) Sag protector
(i) UPS
Q17. Which DOS driver is used to emulate expanded memory?
(i) Himem.sys
(ii) EMM386.exe
(iii) Mem386.sys
(iv) Ramdrive.sys
(ii) EMM386.exe
Q18. A wrist grounding strap contains which of the following:
(i) Surge protector
(ii) Capacitor
(iii) Voltmeter
(iv) Resistor
(iv) Resistor
Q19. 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 all 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
Q20. You are testing the resistance in Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read?
(i) 2
(ii) 5
(iii) 0
(iv) 0.2
(iii) 0
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