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Exam 3: Describing Logic Circuits

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Question 51

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The Boolean expression X = is logically equivalent to what single gate?

A) OR gate
B) NAND gate
C) NOR gate
D) AND gate

E) All of the above
F) C) and D)

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Question 52

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If you apply DeMorgan's theorem to the expression you get:

A)
B)
C)
D)

E) All of the above
F) B) and D)

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Question 53

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Which of the following groups of logic devices would be required to implement the expression X =?

AND, OR, and NOT gates provide the three primary logic functions.

When a logic circuit symbol has no bubble on it, that line is said to be _______.

-Refer to Figure 3- 1. If A = 1, B = 1, and C = 0, the output (Y) will be:

-Refer to Figure 3-1. The output (Y) can be expressed as:

The output of a NAND gate is the inverse of the output for an AND gate for all possible input combinations.

Three- two- input AND gate ORed together would have_______possible outputs.

The logic gate that generates a HIGH (1) output when any one of its inputs is HIGH is the:

In the expression X =, one must remember to invert each value before combining values.

Two signals (A and B) are ORed. Their product is then ANDed with signals C and D. Which of the following expressions describes this series of operations?