Question: ( 3 marks ) A 4 - to - 2 priority encoder differs from a normal encoder as follows: If exactly one input is equal

(3 marks) A 4-to-2 priority encoder differs from a normal encoder as follows:
If exactly one input is equal to 1, it acts like a normal encoder.
If more than one input is equal to 1, the output encodes the input line with the largest index.
For example, with inputs I_(0),I_(1),I_(2),I_(3), if I_(2)=I_(3)=1I_(3) has priorityI_(0)=I_(2)=1I_(2) has priorityI_(0)=I_(1)=I_(2)=I_(3)=0 is a "don't care" input.
A)Design a 4-2priority encoder and sketch the circuit.
B)design an 8-3priority encoder using two of the encoders you designed in part A,two 2-1multiplexers and a four input OR gate.
( 3 marks ) A 4 - to - 2 priority encoder differs

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