Element 3: General Radiotelephone

effective 6/25/2009

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3-E-034: Logic Gates

3-34E1: What is a characteristic of an AND gate?

Produces a logic “1” at its output only if all inputs are logic “1”.

Produces a logic “0” at its output only if all inputs are logic “1”.

Produces a logic “1” at its output if only one input is a logic “1”.

Produces a logic “1” at its output if all inputs are logic “0”.



3-34E2: What is a characteristic of a NAND gate?

Produces a logic “0” at its output only when all inputs are logic “1”.

Produces a logic “0” at its output only when all inputs are logic “0”.

Produces a logic “1” at its output only when all inputs are logic “1”.

Produces a logic “0” at its output if some but not all of its inputs are logic “1”.



3-34E3: What is a characteristic of an OR gate?

Produces a logic “1” at its output if any input is logic “1”.

Produces a logic “0” at its output if any input is logic “1”.

Produces a logic “0” at its output if all inputs are logic “1”.

Produces a logic “1” at its output if all inputs are logic “0”.



3-34E4: What is a characteristic of a NOR gate?

Produces a logic “0” at its output if any or all inputs are logic “1”.

Produces a logic “0” at its output only if all inputs are logic “0”.

Produces a logic “1” at its output only if all inputs are logic “1”.

Produces a logic “1” at its output if some but not all of its inputs are logic “1”.



3-34E5: What is a characteristic of a NOT gate?

Produces a logic “0” at its output when the input is logic “1” and vice versa.

Does not allow data transmission when its input is high.

Allows data transmission only when its input is high.

Produces a logic "1" at its output when the input is logic "1" and vice versa.



3-34E6: Which of the following logic gates will provide an active high out when both inputs are active high?

AND.

NAND.

NOR.

XOR.





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