Combinational Logic Circuits - Technical MCQs

Q1:

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 unpredictable; it may go HIGH or LOW

ANS:D - be unpredictable; it may go HIGH or LOW

No answer description is available.