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Logic Circuit Simplification
Comments
Question
The Boolean expression
is logically equivalent to what single gate?
Options
A. NAND
B. NOR
C. AND
D. OR
Correct Answer
NAND
Logic Circuit Simplification problems
Search Results
1. What is the resultant binary of the decimal problem 49 + 1 =?
Options
A. 01010101
B. 00110101
C. 00110010
D. 00110001
Show Answer
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Discuss
Correct Answer: 00110010
2. What is the difference between binary coding and binary coded decimal?
Options
A. Binary coding is pure binary.
B. BCD is pure binary.
C. Binary coding has a decimal format.
D. BCD has no decimal format.
Show Answer
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Correct Answer: Binary coding is pure binary.
3. Convert 11001001
2
(binary) to decimal.
Options
A. 201
B. 2001
C. 20
D. 210
Show Answer
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Discuss
Correct Answer: 201
4. Convert the binary number 1011010 to hexadecimal.
Options
A. 5B
B. 5F
C. 5A
D. 5C
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Discuss
Correct Answer: 5A
5. Sample-and-hold circuits in ADCs are designed to:
Options
A. sample and hold the output of the binary counter during the conversion process
B. stabilize the ADCs threshold voltage during the conversion process
C. stabilize the input analog signal during the conversion process
D. sample and hold the ADC staircase waveform during the conversion process
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Correct Answer: stabilize the input analog signal during the conversion process
6. Which statement below best describes a Karnaugh map?
Options
A. It is simply a rearranged truth table.
B. The Karnaugh map eliminates the need for using NAND and NOR gates.
C. Variable complements can be eliminated by using Karnaugh maps.
D. A Karnaugh map can be used to replace Boolean rules.
Show Answer
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Correct Answer: It is simply a rearranged truth table.
7. The systematic reduction of logic circuits is accomplished by:
Options
A. symbolic reduction
B. TTL logic
C. using Boolean algebra
D. using a truth table
Show Answer
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Discuss
Correct Answer: using Boolean algebra
8. Which of the examples below expresses the commutative law of multiplication?
Options
A. A + B = B + A
B. A ? B = B + A
C. A ? (B ? C) = (A ? B) ? C
D. A ? B = B ? A
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Correct Answer: A ? B = B ? A
9. Which output expression might indicate a product-of-sums circuit construction?
Options
A.
B.
C.
D.
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Correct Answer:
10. Which of the following expressions is in the sum-of-products (SOP) form?
Options
A. Y = (A + B)(C + D)
B. Y = AB(CD)
C.
D.
Show Answer
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Discuss
Correct Answer:
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