Circuit 1 Using a Multiplexer: A simple (but not too secure!)data security system encodes (or converts) from one form to anotherbefore storage or transmission. Design a circuit to encode unsigned4-bit binary numbers. The scheme will add an extra bit, labeled as“X”, added according the following rule. Each number will have 5bits, the 4 bits of the unsigned binary number plus a parity bit X.The encoding works as follows:
All numbers exactly divisible by 3 (without any remainder)must be transmitted with even parity. (Recall that even paritymeans that the number of ‘1’ bits in ABCDX is even).
All other numbers must
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