Class A amplifiers
A) are small signal amplifiers only
B) always operate within the linear region
C) always operate in the non-linear region of the ac load line
D) are used as power amplifiers only
Question 2
If both inputs of an S-R flip-flop are low, what happens when the clock goes high?
A) The output resets. B) An invalid state is produced.
C) No change occurs in the output. D) The output toggles.