TTL logic chips must have connections to Vcc and ground, even if all inputs and outputs are properly used and tied to valid signals.

TTL logic chips must have connections to Vcc and ground, even if all i

1.	TTL logic chips must have connections to Vcc and ground, even if all inputs and outputs are properly used and tied to valid signals.
A.	1
B.
C.	+12 V
D.	+15 V
Answer» B.