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Digital Electronics
NUMBER SYSTEM
BINARY CODES
BOOLEAN ALGEBRA
K MAPS
COMBINATIONAL CKT
INTRODUCTION
ADDER
FULL ADDER(FA)
FA using HAs
BINARY ADDER
SERIAL ADDER
PARALLEL ADDER
CARRY LOOK AHEAD ADDER (CLA)
QUESTION (BCD to Excess-3 using ADDER)
SUBTRACTORS
FULL SUBTRACTOR
FS using HSs
MORE QUESTIONS
SEQUENTIAL CIRCUITS
TIMING CIRCUITS

HIGHER MUXes FROM LOWER MUXes

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

 

 

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