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Digital Electronics
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Boolean Algebra and Logic Simplification
Comments
Question
For the SOP expression
, how many 0s are in the truth table's output column?
Options
A. zero
B. 1
C. 4
D. 5
Correct Answer
4
Boolean Algebra and Logic Simplification problems
Search Results
1. Convert the following SOP expression to an equivalent POS expression.
Options
A.
B.
C.
D.
Show Answer
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Discuss
Correct Answer:
2. The NAND or NOR gates are referred to as "universal" gates because either:
Options
A. can be found in almost all digital circuits
B. can be used to build all the other types of gates
C. are used in all countries of the world
D. were the first gates to be integrated
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Correct Answer: can be used to build all the other types of gates
3. Output will be a LOW for any case when one or more inputs are zero for a(n):
Options
A. OR gate
B. NOT gate
C. AND gate
D. NOR gate
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Correct Answer: AND gate
4. The output of a NAND gate is LOW if ________.
Options
A. all inputs are LOW
B. all inputs are HIGH
C. any input is LOW
D. any input is HIGH
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Correct Answer: all inputs are HIGH
5. If a signal passing through a gate is inhibited by sending a LOW into one of the inputs, and the output is HIGH, the gate is a(n):
Options
A. AND
B. NAND
C. NOR
D. OR
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Correct Answer: NAND
6. An OR gate with schematic "bubbles" on its inputs performs the same functions as a(n)________ gate.
Options
A. NOR
B. OR
C. NOT
D. NAND
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Correct Answer: NAND
7. Converting the Boolean expression LM + M(NO + PQ) to SOP form, we get ________.
Options
A. LM + MNOPQ
B. L + MNO + MPQ
C. LM + M + NO + MPQ
D. LM + MNO + MPQ
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Correct Answer: LM + MNO + MPQ
8. How many gates would be required to implement the following Boolean expression before simplification? XY + X(X + Z) + Y(X + Z)
Options
A. 1
B. 2
C. 4
D. 5
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Correct Answer: 5
9. For the SOP expression
, how many 1s are in the truth table's output column?
Options
A. 1
B. 2
C. 3
D. 5
Show Answer
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Correct Answer: 3
10. The systematic reduction of logic circuits is accomplished by:
Options
A. using Boolean algebra
B. symbolic reduction
C. TTL logic
D. using a truth table
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Correct Answer: using Boolean algebra
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