Q.

When an open occurs on the input of a CMOS gate, the output will .

A. go low, because there is no current in an open circuit
B. react as if the open input were a high
C. go high, since full voltage appears across an open
D. be unpredicta ble; it may go high or low
Answer» D. be unpredicta ble; it may go high or low
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