In the circuit shown, choose the correct timing diagram of the output (Y) from the given waveforms W1, W2, W3 and W4.

A. W1
B. W2
C. W3
D. W4
Answer: Option C
A. W1
B. W2
C. W3
D. W4
Answer: Option C
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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