Logic Circuit Simplification - General Questions

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Logic Circuit Simplification - General Questions

Which of the following expressions is in the sum-of-products (SOP) form?

A.	Y = (A + B)(C + D)
B.	Y = AB(CD)
C.
D.

Answer: Option C

Explanation:

No answer description available for this question

The commutative law of addition and multiplication indicates that:

A.	the way we OR or AND two variables is unimportant because the result is the same
B.	we can group variables in an AND or in an OR any way we want
C.	an expression can be expanded by multiplying term by term just the same as in ordinary algebra
D.	the factoring of Boolean expressions requires the multiplication of product terms that contain like variables

Answer: Option A

Explanation:

No answer description available for this question.

One of DeMorgan's theorems states that mcq19_1007_1 . Simply stated, this means that logically there is no difference between:

A.	a NAND gate and an AND gate with a bubbled output
B.	a NOR gate and an AND gate with a bubbled output
C.	a NOR gate and a NAND gate with a bubbled output
D.	a NAND gate and an OR gate with a bubbled output

Answer: Option B

Explanation:

No answer description available for this question

Which output expression might indicate a product-of-sums circuit construction?

A.
B.
C.
D.

Answer: Option D

Explanation:

No answer description available for this question.

Which of the examples below expresses the distributive law of Boolean algebra?

A.	A • (B • C) = (A • B) + C
B.	A + (B + C) = (A • B) + (A • C)
C.	A • (B + C) = (A • B) + (A • C)
D.	(A + B) + C = A + (B + C)

Answer: Option C

Explanation:

No answer description available for this question

Logically, the output of a NOR gate would have the same Boolean expression as a(n):

A.	NAND gate immediately followed by an INVERTER
B.	OR gate immediately followed by an INVERTER
C.	AND gate immediately followed by an INVERTER
D.	NOR gate immediately followed by an INVERTER

Answer: Option B

Explanation:

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The systematic reduction of logic circuits is accomplished by:

A.	symbolic reduction
B.	TTL logic
C.	using Boolean algebra
D.	using a truth table

Answer: Option C

Explanation:

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The observation that a bubbled input OR gate is interchangeable with a bubbled output AND gate is referred to as:

A.	a Karnaugh map
B.	DeMorgan's second theorem
C.	the commutative law of addition
D.	the associative law of multiplication

Answer: Option B

Explanation:

No answer description available for this question

Logic Circuit Simplification - General Questions

Logic Circuit Simplification - General Questions

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