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Computer Hardware Multiple Choice Questions(MCQs) and Answers
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1. Devices such as mercury thermometer and kitchen scales are classified as
digital devices
analogue devices
programmed devices
signal led devices
2. Devices that accepts data from outside computer and transfer into CPU are called
input devices
digital devices
analogue devices
truth table peripherals
3. ESD would cause the most damage to which component?
Power supply
Expansion board
Monitor
Keyboard
4. Which peripheral port provides the FASTEST throughput to laser printers?
RS-232
SCSI
Parallel
Serial
5. The 34-pin connection on an I/O card is for?
Floppy drive
SCSI drive
IDE drive
Zip drive
6. hat beep codes could indicate a system board or power supply failure?
steady short beep
one long continuous beep tone
steady long beeps
All of the above
7. What command is used to reset a MODEM when using the "AT Command Set"?
ATR
ATZ
DTR
None of the above
8. Devices that are under control of computer and are directly connected to computer peripherals are termed as
off-line devices
on-line devices
IN gate device
IF gate device
9. What product is used to clean smudged keys on a keyboard?
TMC solvent
Silicone spray
Denatured alcohol
All-purpose cleaner
10. If any instruction consist of any arithmetic operation data is transferred to
quantitative unit
qualitative unit
arithmetic and logical unit
central processing unit
11. Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?
ML
PCI
ISA
None of the above
12. The mouse pointer moves erratically what is the possible cause? The mouse
ball is dirty
is not connected
driver is not installed properly
None of the above
13. The terms "red book" "yellow book" and "orange book" refer to:
SCSI
ide
floppy drive technology
CD-ROM standards
14. To view any currently running Terminate Stay Resident (TSR's) programs you could type
Memory
MEM
SYS /M
None of the above
15. When installing a SCSI CD-ROM drive you must set the CD-ROM SCSI adapter to:
B0007
An unused SCSI address
The same address as the SCSI device before the CD-ROM
SCSI ID=1
16. main store' of CPU is also called
main memory
temporary memory
immediate access store
both A and C
17. Central Processing Unit (CPU) consists
control unit
arithmetic and logic unit
main store
all of above
18. To view any currently running Terminate Stay Resident (TSR's) programs you could type:
Memory
MEM
SYS /M
Memmaker
19. Voltage is measured:
in parallel
in series
after breaking the circuit
after checking current
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