Consider the following gate network

Which one of the following gates is redundant?
A. Gate No. 1
B. Gate No. 2
C. Gate No. 3
D. Gate No. 4
Answer: Option B
Related Questions on Digital Electronics
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3

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