Digital Electronics - Logic Gates

Exercise :: Logic Gates - General Questions

36. 

One advantage TTL has over CMOS is that TTL is ________.

A. less expensive
B. not sensitive to electrostatic discharge
C. faster
D. more widely available

Answer: Option B

Explanation:

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37. 

A 2-input NOR gate is equivalent to a ________.

A. negative-OR gate
B. negative-AND gate
C. negative-NAND gate
D. none of the above

Answer: Option B

Explanation:

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38. 

If a 3-input OR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?

A. 1
B. 2
C. 7
D. 8

Answer: Option C

Explanation:

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39. 

Fan-out is specified in terms of ________.

A. voltage
B. current
C. wattage
D. unit loads

Answer: Option D

Explanation:

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40. 

How many input combinations would a truth table have for a six-input AND gate?

A. 32
B. 48
C. 64
D. 128

Answer: Option C

Explanation:

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