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2.3.3 Multiplexers (MUX) and Demultiplexers (DEMUX)

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

The basic function of a Demultiplexer (DEMUX) is to ______.

a)

Combine signals

b)

Split signals

c)

Filter signals

d)

Amplify signals

2.

Which of the following is not a typical application of DEMUX?

a)

A) Splitting signals

b)

B) Combining signals

c)

C) Filtering signals

d)

D) Amplifying signals

3.

Which of the following determines which input is connected to the output in a MUX?

a)

Power supply

b)

Select lines

c)

Output lines

d)

Input sources

4.

How many select lines are there in an 8-to-1 MUX?

a)

1

b)

2

c)

3

d)

4

5.

In a 4-to-1 MUX, which input is selected when B=1 and A=1?

a)

D0

b)

D1

c)

D2

d)

D3

6.

What is the primary function of a DEMUX in a network?

a)

To combine multiple signals into one

b)

To distribute a single input to multiple outputs

c)

To amplify signals

d)

To convert analog signals to digital.

7.

What is the main reason for using inverted outputs in Medium Scale Integrated (MSI) DEMUXs?

a)

To increase speed

b)

To reduce the number of logic gates

c)

To enhance security

d)

To improve accuracy

8.

Most displays cycle through individual display segments so that only one display is on at a time. True or False?

a)

True

b)

False