Logic Gate Calculator
Simulate digital logic gates and see outputs for different input combinations.
Input Controls
Input A
Input B
Input C
Current State:
A=1B=0C=1
Two-Input Gates (A, B)
AND0
A AND B
OR1
A OR B
XOR1
A XOR B
NAND1
A NAND B
NOR0
A NOR B
XNOR0
A XNOR B
NOT Gates
NOT A0
NOT B1
Three-Input Gates (A, B, C)
AND30
A AND B AND C
OR31
A OR B OR C
XOR30
A XOR B XOR C
Majority1
At least 2 HIGH
Logic Gate Reference
AND
Output is 1 only when ALL inputs are 1
1 AND 1 = 1
OR
Output is 1 when ANY input is 1
1 OR 0 = 1
NOT
Inverts the input signal
NOT 0 = 1
XOR
Output is 1 when inputs are DIFFERENT
1 XOR 0 = 1
NAND
NOT of AND operation
1 NAND 1 = 0
NOR
NOT of OR operation
0 NOR 0 = 1