1) It is normal for more than one decoder output to be active at the same time.

ID: 2990910 • Letter: 1

Question

2) The select inputs to a multiplexer may also be called address lines

3) A demultiplexer does not use an OR gate as the output gate because of the multiple output lines

4) Usually, a decoder circuit without bubbles on the outputs has only one output HIGH while all the other outputs are LOW

5) Basically, a multiplexer changes parallel data inputs to a serial output.

6) The circuit for a decoder is basically the same as for a multiplexer

7) LCD displays are more visible in low light conditions than LED displays

8) LCD displays require less current than LEDs.

9) Number system conversion can be accomplished using encoders.

1. False 2. True 3. True 4.true 5. True 6. false 7.false 8. True 9. true

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