A buffer with single input A and single output B has a delay of 20 nan – McqOptions

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1.	A buffer with single input A and single output B has a delay of 20 nanosecond. If the value of input A changes after 10 ns from 0 to 1 and it changes again from 1 to 0 at 20 ns. At what time, the value of output B will be 1, if the transport delay model is used?
A.	20 ns
B.	30 ns
C.	40 ns
D.	Output will remain zero
Answer» C. 40 ns

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