Q. If A is true and B is true, what is the output of A OR B?
-
A.
True
-
B.
False
-
C.
1
-
D.
0
Solution
An OR gate outputs true if at least one input is true; since both are true, the output is true.
Correct Answer:
A
— True
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Q. What is the output of a NAND gate if both inputs are 1?
-
A.
0
-
B.
1
-
C.
undefined
-
D.
error
Solution
A NAND gate outputs 0 only when both inputs are 1; otherwise, it outputs 1.
Correct Answer:
A
— 0
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Q. What is the output of a NAND gate if both inputs are true?
-
A.
True
-
B.
False
-
C.
1
-
D.
0
Solution
A NAND gate outputs false only when both inputs are true; otherwise, it outputs true.
Correct Answer:
B
— False
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Q. What is the output of a NOR gate if one input is 1?
-
A.
0
-
B.
1
-
C.
undefined
-
D.
error
Solution
A NOR gate outputs 0 if at least one input is 1.
Correct Answer:
A
— 0
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Q. What is the output of a NOT gate when the input is false?
-
A.
True
-
B.
False
-
C.
1
-
D.
0
Solution
A NOT gate inverts the input; if the input is false, the output is true.
Correct Answer:
A
— True
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Q. What is the output of an AND gate if both inputs are 1?
-
A.
0
-
B.
1
-
C.
undefined
-
D.
error
Solution
An AND gate outputs 1 only when both inputs are 1.
Correct Answer:
B
— 1
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Q. What is the output of an AND gate if both inputs are true?
-
A.
True
-
B.
False
-
C.
Undefined
-
D.
None of the above
Solution
An AND gate outputs true only when both inputs are true.
Correct Answer:
A
— True
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Q. What is the output of an OR gate if both inputs are false?
-
A.
True
-
B.
False
-
C.
1
-
D.
0
Solution
An OR gate outputs false only when both inputs are false.
Correct Answer:
B
— False
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Q. What is the truth value of A AND B if A is true and B is false?
-
A.
True
-
B.
False
-
C.
Undefined
-
D.
Both True and False
Solution
The AND operation outputs true only if both A and B are true; otherwise, it outputs false.
Correct Answer:
B
— False
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Q. What is the truth value of an OR gate with inputs 0 and 0?
-
A.
0
-
B.
1
-
C.
undefined
-
D.
error
Solution
An OR gate outputs 0 only when both inputs are 0.
Correct Answer:
A
— 0
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Q. Which gate is equivalent to an OR gate followed by a NOT gate?
-
A.
AND
-
B.
NAND
-
C.
NOR
-
D.
XOR
Solution
A NOR gate is equivalent to an OR gate followed by a NOT gate.
Correct Answer:
C
— NOR
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Q. Which gate is known as an inverter?
-
A.
AND
-
B.
OR
-
C.
NOT
-
D.
XOR
Solution
The NOT gate is known as an inverter because it inverts the input signal.
Correct Answer:
C
— NOT
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Q. Which gate is the opposite of an AND gate?
-
A.
OR
-
B.
NAND
-
C.
NOR
-
D.
XOR
Solution
The NAND gate is the opposite of an AND gate, as it outputs 0 only when both inputs are 1.
Correct Answer:
B
— NAND
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Q. Which gate produces a true output only when both inputs are different?
-
A.
AND
-
B.
OR
-
C.
XOR
-
D.
NAND
Solution
An XOR gate outputs true only when the inputs are different.
Correct Answer:
C
— XOR
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Q. Which logic gate is represented by the expression A + B?
-
A.
AND
-
B.
OR
-
C.
NOT
-
D.
XOR
Solution
The expression A + B represents an OR gate.
Correct Answer:
B
— OR
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Q. Which logic gate outputs 1 when at least one input is 1?
-
A.
AND
-
B.
OR
-
C.
NOT
-
D.
NAND
Solution
An OR gate outputs 1 when at least one of its inputs is 1.
Correct Answer:
B
— OR
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Q. Which logic gate outputs true if at least one input is true?
-
A.
AND
-
B.
OR
-
C.
NOT
-
D.
NAND
Solution
An OR gate outputs true if at least one of its inputs is true.
Correct Answer:
B
— OR
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Q. Which logic gate produces a true output only when both inputs are different?
-
A.
AND
-
B.
OR
-
C.
XOR
-
D.
NOR
Solution
An XOR gate outputs true (1) only when the inputs are different.
Correct Answer:
C
— XOR
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Q. Which of the following gates is known as an inverter?
-
A.
AND
-
B.
OR
-
C.
NOT
-
D.
NAND
Solution
A NOT gate is known as an inverter because it inverts the input signal.
Correct Answer:
C
— NOT
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Showing 1 to 19 of 19 (1 Pages)
