COMPUTER HARDWARE QUIZ

What command is used to hand up a MODEM when using the "AT Answer Command set"?

ATR

ATZ

ATD

None of these

ATH

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Resistance is measured:

in series

after checking voltage

after breaking the circuit

in parallel

after checking current

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In inkjet printers, what is the most common problem with the paper tray?

malfunctioning pick-up rollers

misalignment of the sheet feeder

inconsistent printing

None of these

paper jamming on the ink cartridge

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You suspect a virus has entered your computer. What will not be affected by the virus?

Floppy disks

CMOS

Boot sector

None of these

Program files

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Most PCs give a single beep on bootup to indicate they are ok hardware wise. You boot your PC and don't get a beep. What should you check first?

microprocessor

power supply

system board

speaker

RAM

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IDE cables have how many pins?

50

65

40

100

25

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How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?

None of these

4

16

8

12

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Which is NOT typically a Field Replaceable Unit?

Video controller

System ROM

None of these

System chassis

Power supply

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UART is a type of serial chip. Its letters stand for

unable all restore t-bits

unidirectional access regarding transmission

upper advanced real transfer

universal asynchronous receiver/ transmitter

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What device prevents power interruptions, resulting in corrupted data?

Battery back-up unit

Surge protector

Multiple SIMMs strips

Data guard system

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