1.

The gates G1 and G2 in the figure have propagation delays of 10 n sec. and 20 n sec. respectively. If the input Vi makes an output change from logic 0 to 1 at time t = t0 then the output wavefrom V0 is

A. [A].
B. [B].
C. [C].
D. [D].
Answer» E.


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