ISDN uses _____ technology.
A). only digital
B). digital and analog
C). only analog
D). neither digital nor analog
E). mostly digital
1. In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
2. What expansion types do most pll/plll motherboards support?
4. What voltage does a 586 system use?
5. Which of the following items would require you to comply with EPA disposal guidelines?
6. Total number of modes 8253 can work in is:
7. What is a common language that computers use to talk with one another on a network
8. What device prevents power interruptions, resulting in corrupted data?
9. On a dot matrix printer, you should never lubricate which part?