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6. Which of the following items would require you t.o comply with EPA disposal guidelines?
A. Keyboard
B. System board
C. Power supply
D. Battery
E. None of the above
7. What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?
A. fuse
B. led display
C. adjustment switch
D. led display cable
E. None of the above
8. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
A. The device that sends the monitor signals telling it what to display
B. The area that regulates all of the system power usage
C. The area where all the of the Basic input/output routines are stored
D. The area where all of the processing takes place
E. None of the above
9. On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?
A. In the modem
B. In the phone line
C. In the computer
D. In the DTC equipment
E. None of the above
10. What IRQ is used for COM 2?
A. 4
B. 3
C. 2
D. 1
E. None of the above
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