DIRECTIONS: Read each question carefully. Then click on the dot next to the answer that most closely fits the question. Try to answer all questions on this quiz and when you are done, click on the grade me button at the bottom.

1. Why is multiplexing needed?

there aren't enough physical port for all the peripherals we need to connect to the CPU
it speeds up I/O
it simplifies the logic circuits

2. Which box is the multiplexor?

A
B
C

3. Which kind of multiplexing uses an identifier for each device so that any device can send a command whenever it is ready?

statistical multiplexing
time division multiplexing
device multiplexing

4. Which kind of multiplexing gives each device a fixed chunk of time during which it can send commands?

statistical multiplexing
time division multiplexing
device multiplexing

5. Which kind of multiplexing is faster?

statistical multiplexing
time division multiplexing
device multiplexing

6. What do we call it when peripherals get control of the ports in a fair and circular fashion?

statistical multiplexing
alternate banking
round robin