Section 18.6
Review Questions
Multiplexing

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1. Why is multiplexing needed?

2. Show were the multiplexor is in the following picture.

3. Which kind of multiplexing lets the port be used by a specific peripheral for a while, and then gives control of it to a different one for another chunk of time?

4. What must be the speed characteristics of such a system in order to make this work?

5. What does round robin mean?

6. How does statistical multiplexing work?

7. Why is statistical multiplexing often better?