In NOR-NOR configuration, the minimum number of NOR gates needed to implement the switching function $${\text{X}} + {\text{X}}\overline {\text{Y}} + {\text{X}}\overline {\text{Y}} {\text{Z}}$$ is:
A. 5
B. 3
C. 2
D. 0
Answer: Option D
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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