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Which statements are true about a 4:1 multiplexer and a 2:4 decoder? Select all correct ones.Question 12Answera.A decoder detects the input pattern and asserts one of the outputsb.A 2:4 decoder requires 4 AND gates and 4 OR gatesc.Multiplexers and decoders are both used in decision making or control circuitryd.A multiplexer can be used to implement any logic function but that is not the case with the decodere.Multiplexer selects an input arbitrarily and sends it to the output

Question

Which statements are true about a 4:1 multiplexer and a 2:4 decoder? Select all correct ones.Question 12Answera.A decoder detects the input pattern and asserts one of the outputsb.A 2:4 decoder requires 4 AND gates and 4 OR gatesc.Multiplexers and decoders are both used in decision making or control circuitryd.A multiplexer can be used to implement any logic function but that is not the case with the decodere.Multiplexer selects an input arbitrarily and sends it to the output

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Solution

a. True - A decoder does indeed detect the input pattern and asserts one of the outputs.

b. False - A 2:4 decoder requires 2 input lines, 4 output lines, and 4 AND gates. It does not require OR gates.

c. True - Both multiplexers and decoders are used in decision making or control circuitry.

d. True - A multiplexer can be used to implement any logic function, but a decoder cannot. A decoder is used to convert binary information from n inputs to a maximum of 2^n unique outputs.

e. True - A multiplexer selects an input based on the value of selection lines and sends it to the output.

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