Alternative Logic Gates - SS2 ICT Past Questions and Answers - page 1

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XOR gate

AND gate

NOT gate

NOR gate

Produces a 0 output

Produces a 1 output

Doesn't change the output

Outputs an error signal

XOR gate

OR gate

XNOR gate

NOT 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

OR gate

AND gate

NOT gate

XOR gate

XNOR gate

NAND gate

OR gate

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

XOR gate

NOR gate

NAND gate

XNOR gate

0

1

NOR gate

NAND gate