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Digital Electronics

Q1:

The circuit show in the figure has 4 boxes each described by inputs P, Q, R and outputs y, z with
Y = P ⊕ Q ⊕ R, Z = RQ + PR + QP The circuit act as a

A 4 bit adder giving P + Q

B 4 bit subtractor P - Q

C 4 bit subtractor Q - P

D 4 bit adder P + Q + R

ANS:B - 4 bit subtractor P - Q

No answer description is available.



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