Q- Implement (a) 8 to 1 MUX (b) 16 to 1 MUX using 4 to 1 MUX.
Ans: (a) Select lines are abc2
Following is the 8 to 1 multiplexer from 4 to 1 multiplexer

(b)Select lines are abcd2
Following is the circuit for 16 to 1 MUX
Q- Implement (a) 8 to 1 MUX (b) 16 to 1 MUX using 4 to 1 MUX.
Ans: (a) Select lines are abc2
Following is the 8 to 1 multiplexer from 4 to 1 multiplexer
(b)Select lines are abcd2
Following is the circuit for 16 to 1 MUX