The setup time for a typical TTL J-K flip-flop (such as the 74LS76 ) is
A) 4 nsec. B) 25 sec. C) 20 nsec. D) 100 sec.
Question 2
A diode passes current when its anode is
A) more positive than its cathode. B) a positive voltage.
C) at 0 V. D) more negative than its cathode.