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Computer Hardware

Computer Hardware
How many DMA channels are in an AT-machine?

None of these
3
8
7
4

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Computer Hardware
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?

power supply
microprocessor
RAM
speaker
system board

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Computer Hardware
The terms "red book", "yellow book", and "orange book" refer to:

floppy drive technology
All of these
SCSI
ide
CD-ROM standards

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

Program files
Floppy disks
CMOS
Boot sector
None of these

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Computer Hardware
ESD potential decreases with the use of

A wrist strap
Rubber gloves with matching cap
De-ionizing fans
A static meter

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Computer Hardware
Which type of system hoard is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

None of these
EISA
ISA
ML
PCI

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