Alternative Logic Gates - SS2 ICT Past Questions and Answers - page 1
Which logic gate produces a 1 output only when all inputs are 0?
XOR gate
AND gate
NOT gate
NOR gate
How does an XNOR gate behave when the number of input 1s is odd?
Produces a 0 output
Produces a 1 output
Doesn't change the output
Outputs an error signal
Which gate converts 0 to 1 and 1 to 0?
XOR gate
OR gate
XNOR gate
NOT gate
What is the function of an XOR gate?
Produces a 0 output when all inputs are 1
Produces a 1 output when all inputs are 0
Produces a 1 output when the number of input 1s is odd
Performs a logical AND operation
The output of a NOR gate is the logical NOT of the output of which gate?
OR gate
AND gate
NOT gate
XOR gate
Which gate is represented by the symbol ⊖?
XNOR gate
NAND gate
OR gate
NOR gate
What is the function of a NOR gate?
Produces a 1 output when all inputs are 0
Performs a logical OR operation
Converts 0 to 1 and 1 to 0
Produces a 0 output when the number of input 1s is even
Which logic gate is an AND gate followed by a NOT gate?
XOR gate
NOR gate
NAND gate
XNOR gate
What is the output of an XOR gate when all inputs are 1?
0
1
NOR gate
NAND gate