Exercise: Computer Hardware

Questions for: Computer Hardware

"Parity" errors usually indicate bad memory.
A:
True
B:
False
C:
D:
Answer: A
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A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
A:
The cables are attached firmly
B:
The external drive has been pre¬loaded with the appropriate software
C:
The external drive was attached before the computer was on
D:
The external drive is turned on
Answer: E
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The DC voltage on most circuit boards is:
A:
-12 volts
B:
0 volts
C:
+5 volts
D:
+12 volts
Answer: C
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The floppy drive uses which DMA (direct memory access) channel?
A:
5
B:
4
C:
1
D:
9
Answer: E
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You can have EISA and MCA devices in the same PC.
A:
True
B:
False
C:
D:
Answer: B
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