Exercise: Computer Hardware

Questions for: Computer Hardware

On PC power supplies, the wire attached to pin one is usually:
A:
blue or red
B:
blue or white
C:
red or black
D:
red or white
Answer: E
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You suspect a virus has entered your computer. What will not be affected by the virus?
A:
CMOS
B:
Boot sector
C:
Floppy disks
D:
Program files
Answer: A
No answer description is available. Let's discuss.
How does a parallel port communicate information to a peripheral device?
A:
one bit at a time
B:
8 bytes at a time
C:
one byte at a time
D:
16,555 bytes at a time
Answer: C
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In which mode can two or more applications be stored in memory at the same time?
A:
Segmented Mode
B:
Unprotected Mode
C:
Real Mode
D:
Protected Mode
Answer: D
No answer description is available. Let's discuss.
What is modified when changing the system start-up boot sequence?
A:
BIOS/CMOS
B:
CONFIG.SYS
C:
autoexec.bat
D:
COMMAND.COM
Answer: A
No answer description is available. Let's discuss.
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