Computer Hardware - Section 6 Multiple Questions and Answers.




11.What is the i/o address for com2?
A. 2vb
B. 2f8
C. 8f8
D. 330

12.The ESD wrist strap is designed to protect PC Components or Service Technicians ?
A. PC Components
B. Service Technicians
C. Both
D. None of above

13.The floppy drive uses which DMA (direct memory access) channel?
A. 5
B. 4
C. 1
D. 9

14.The DC voltage on most circuit boards is:
A. -12 volts
B. 0 volts
C. +5 volts
D. +12 volts

15.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

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