Which of the following is the result of AND operation for two true values?
a) True
b) False
c) Undefined
d) Zero
What is the output of the OR gate if both inputs are false?
a) True
b) False
c) 1
d) 0
Which logic gate is represented by the symbol of a triangle with a small circle at its output?
a) AND gate
b) OR gate
c) NAND gate
d) NOT gate
Which of the following Boolean expressions represents an AND gate?
a) A + B
b) A * B
c) A + A
d) A * A
Which Boolean identity is represented by A + 0 = A?
a) Identity law
b) Complement law
c) Domination law
d) Idempotent law
Which of the following is the result of the operation A + A?
a) A
b) 1
c) 0
d) A’
In a NOT gate, what is the output when the input is true?
a) True
b) False
c) 1
d) 0
Which of the following is the Boolean equivalent of the expression (A + B)’?
a) A’ + B’
b) A’ * B’
c) A + B
d) A * B
What is the result of the Boolean expression A * 1?
a) 1
b) A
c) 0
d) A’
Which logic gate performs a logic operation that is the opposite of AND?
a) NAND
b) NOR
c) XOR
d) NOT
Which Boolean operation is represented by the symbol “A * B”?
a) AND
b) OR
c) NOT
d) XOR
The identity A * 1 = A is an example of which Boolean law?
a) Identity law
b) Null law
c) Idempotent law
d) Complement law
Which of the following is the Boolean simplification of the expression A + A’?
a) 1
b) A
c) 0
d) A’
What is the output of the XOR gate when both inputs are different?
a) 0
b) 1
c) A
d) A’
What does a NOR gate do?
a) It produces a true output only if all inputs are true.
b) It produces a true output only if all inputs are false.
c) It produces a true output if at least one input is true.
d) It produces a true output if at least one input is false.
Which of the following is an example of a universal gate?
a) AND
b) OR
c) NAND
d) NOT
Which of the following Boolean expressions is equal to A’ + B’ ?
a) (A + B)’
b) (A * B)’
c) A * B
d) A + B
What is the result of the Boolean expression A * 0?
a) A
b) 1
c) 0
d) A’
Which gate is used to invert the input?
a) AND
b) OR
c) NOT
d) NAND
What does a XOR gate produce when both inputs are the same?
a) True
b) False
c) 1
d) 0
Which of the following Boolean expressions is true for all values of A?
a) A + A’ = 1
b) A * A’ = 1
c) A + A = 0
d) A * A = A
Which of the following is the result of A * A?
a) 0
b) 1
c) A
d) A’
What is the result of the Boolean expression A’ * B?
a) A + B
b) A * B
c) A’ + B
d) A’ * B
Which logic gate has the symbol of an “OR” symbol with a small circle on the output?
a) AND
b) OR
c) NOR
d) XOR
Which of the following is the correct simplification of the expression A * (A + B)?
a) A
b) A + B
c) A’
d) A * B
Which of the following Boolean laws applies to the equation A * 0 = 0?
a) Complement law
b) Idempotent law
c) Null law
d) Identity law
Which of the following expressions is an example of a Boolean expression that simplifies to 1?
a) A + A’
b) A * A
c) A + B
d) A * B
What is the simplified form of the Boolean expression A * B + A * C?
a) A + B * C
b) A * (B + C)
c) A * B + C
d) A * B * C
What is the output of an AND gate with inputs A = 0 and B = 1?
a) 0
b) 1
c) Undefined
d) False
Which of the following represents the truth table for a NAND gate?
a) The output is 1 when both inputs are 1.
b) The output is 0 when both inputs are 1.
c) The output is 0 when both inputs are 0.
d) The output is 1 when one input is 0.
What is the Boolean simplification of the expression (A + B) * (A + B’)?
a) A + B
b) A
c) A’
d) A * B
