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comparison between combination circuit and sequential circuit

1:4 Demultiplexer

1:2 Demultiplexer

4:1 Multiplexer

2:1Multiplexer

8 to 3 encoder

4 to 2 encoder, working ,truth table and logic diagram

3 to 8 decoder using 2 to 4 decoder

3 to 8 Decoder working, truth table logic diagram

2 to 4 Decoder working, truth table and logic diagram

1bit magnitude Comparator

Four bit binary adder