Question: 1 0 . 1 . e BCD code indicator design using ( 8 times 1 ) Multiplexer A circuit with four inputs

10.1.e BCD code indicator design using \(8\times 1\) Multiplexer
A circuit with four inputs examines the binary code applied to its inputs to see if it is a legal BCD code (i.e.51001). Assume that the desired output for a valid \( B C D \) code is a "1" and for an invalid BCD code is a "0".
Design the circuit that indicates whether the 4 bit binary input is a BCD code or not by using 8-to-1 line multiplexer and XOR gates.
i) Obtain the truth table of the circuit.
ii) Realize the circuit in Proteus program using 74151 multiplexer and 7486 XOR gate.
(Hint: Remember that XOR gates can be used as INVERTER).
1 0 . 1 . e BCD code indicator design using \ ( 8

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