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Computer Hardware

Computer Hardware
What is modified when changing the system start-up boot sequence?

None of these
COMMAND.COM
CONFIG.SYS
BIOS/CMOS
autoexec.bat

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Computer Hardware
To test for AC ripple on a PC power supply, you would set the volt/ohm meter for

AC voltage
DC voltage scale
Farad scale
OHM scale

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Computer Hardware
A capacitor is measured in which of the following units?

Resistance
Volts
Farads
Ohms

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Computer Hardware
On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?

10
9
12
11

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Computer Hardware
During the normal PC boot process, which of the following is active first?

Hard disk information
CMOS
None of these
ROM BIOS
RAM BIOS

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Computer Hardware
What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?

Replacing the ribbon
Adjusting the tractor feed tension
Adjusting the paper feed tension
Replacing the timing belt
None of these

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