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Q#1
Combinational Circuits
GATE EC 2003
MCQ
+2 marks
-0.66 marks
The circuit shown in figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z with
The circuit acts as a
4 bit adder giving P + Q
4 bit subtractor-giving P – Q
4 bit subtractor-giving Q – P
4 bit adder giving P + Q + R
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