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Computer Hardware

Computer Hardware
What is the i/o address for com2?

8f8
None of the listed here
2vb
2f8

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Computer Hardware
Which is LEAST likely to interfere with upgrading to a newer DOS Version?

ROM BIOS
None of these
Existing backup files
Compressed drives
Video controller

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Computer Hardware
To prevent toner from sticking to a laser printer's heat rollers, apply which of the following:

Alcohol
Beer or Jack Daniels
Ammonia
None of these
Oil

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

12
9
10
11

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Computer Hardware
What is the size of a sector?

None of these
512 Kb
512 bytes
256 bytes
1024 bytes

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

Boot sector
Program files
Floppy disks
None of these
CMOS

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