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Computer Hardware

Computer Hardware
What is the jumper setting on a SCSI device to configure it to use the fourth SCSI id? Remember, SCSI ids start with zero.

11
10
110
1
101

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Computer Hardware
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

l0Mhz
25Mhz
None of these
100 Mhz
50Mhz

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Computer Hardware
On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

Printhead
Carriage rails
Paper advance bearings
None of these
Platten bearings

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Computer Hardware
If the memory slots have 30 pins then the chip is a?

DIMM
All of the listed here
SDRAM
SIMM

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Computer Hardware
During preventative maintenance on a dot matrix printer, do NOT lubricate:

Print head pulley
Paper advance gear bushings
Print head pins
Platen assembly

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Computer Hardware
What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?

fuse
led display cable
adjustment switch
led display
None of these

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