1.

What are the logic levels in case of TTL logic using +5V as VCC?

A. 0 to 0.8 V for logic 0 and 2 V to VCC for logic 1
B. – 0.3 to 0.3 V for logic 0 and 2.8 v to VCC for logic 1
C. -0.1 to 0.6 V for logic 0 and 1.7 v to VCC for logic 1
D. 0 to 0.3 v for logic 0 and 0 V to VCC for logic 1
Answer» B. – 0.3 to 0.3 V for logic 0 and 2.8 v to VCC for logic 1


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