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Q#1
Combinational Circuits
GATE EC 2024
MCQ
+2 marks
-0.66 marks
A 4-bit priority encoder has inputs 
, and 
in descending order of priority. The two-bit output 
is generated as 
, and 11 corresponding to inputs , and , respectively. The Boolean expression of the output bit 
is_____.
Explanation:
B = 1 for second row 01xx which means 4 minterms (0100, 0101, 0110, 0111 i.e. 4,5,6,7)
B = 1 for third row 000x which means two minterms (0000, 0001)
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