Question

Assume that a number comparator compares two numbers A and B of two bits each. The comparator output two bits – the first one output the result of comparison (1 if same 0 otherwise) and second one output 1 if both A and B are zero, otherwise 1. The partial truth table for the comparator is given below:

Number A& & & & & & & & & & & & & & & & & & Number B& & & & & & & & & & & & & & & & Output
Bit 1& & & & & Bit 0& & & & & & & & & & & Bit 1& & & Bit 0& & & & & & & & & Same& & & & Zero
0& & & & & & & & & & & 0& & & & & & & & & & & & & & & & & & & 0& & & & & & & 0& & & & & & & & & & & & & & & & & 1& & & & & & 1
0& & & & & & & & & & & 0& & & & & & & & & & & & & & & & & & & 0& & & & & & & 1& & & & & & & & & & & & & & & & & 0& & & & & & 0
0& & & & & & & & & & & 0& & & & & & & & & & & & & & & & & & & 1& & & & & & & 0& & & & & & & & & & & & & & & & & 0& & & & & & 0
0& & & & & & & & & & & 0& & & & & & & & & & & & & & & & & & & 1& & & & & & & 1& & & & & & & & & & & & & & & 0& & & & & & 0
0& & & & & & & & & & & 1& & & & & & & & & & & & & & & & & & & 0& & & & & & & 0& & & & & & & & & & & & & & & & & 0& & & & & & 0
0& & & & & & & & & & & 1& & & & & & & & & & & & & & & & & & & 0& & & & & & & 1& & & & & & & & & & & & & & & & & 1& & & & & & 0
…& & & & & & & & & & & & & & &

Complete the truth table and design and draw the combinational circuit using AND-OR-NOT gates for the description given above.&

Answer 1

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