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Q#1
Combinational Circuits
GATE EE 2004
MCQ
+2 marks
-0.66 marks
A digital circuit, which compares two numbers, 
is shown in figure. To get output Y = 0, choose one pair of correct input numbers.
1010, 1010
0101, 0101
0010, 0010
1010, 1011
Explanation:
When PQRS=odd numbers of 1 then only output Y will be logic 0
(a)
(b)
(c)
(d)
Only option (d) satisfy this condition
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