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Computer Science - Computer Hardware

Exercise : Computer Hardware - Section 4
6.
Which of the following items would require you t.o comply with EPA disposal guidelines?
Keyboard
System board
Power supply
Battery
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?
fuse
led display
adjustment switch
led display cable
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
The device that sends the monitor signals telling it what to display
The area that regulates all of the system power usage
The area where all the of the Basic input/output routines are stored
The area where all of the processing takes place
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?
In the modem
In the phone line
In the computer
In the DTC equipment
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
What IRQ is used for COM 2?
4
3
2
1
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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