Computer Hardware - Section 7 Multiple Questions and Answers.




21.How many DMA channels are in an AT-machine?
A. 3
B. 4
C. 7
D. 8

22.Which provides the fastest data access time?
A. RAM
B. ROM
C. CD-ROM
D. Hard disk

23.When configuring a new network interface card for installation, which of the following would be a valid I/O address?
A. 378
B. 2F8
C. 3F8
D. 360

24.Which is NOT typically a Field Replaceable Unit?
A. System ROM
B. Power supply
C. System chasis
D. Video controller

25.A human cannot feel a static discharge as high as _____ volts.
A. 200
B. 2000
C. 10000
D. 50000

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