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XOR gate Facts for Kids. Kiddle Encyclopedia.
XOR gate facts for kids
INPUT  OUTPUT  
A  B  A XOR B 
0  0  0 
0  1  1 
1  0  1 
1  1  0 
The XOR gate (Exclusive OR) is a logic gate that outputs 1 (true) when exactly one of its inputs is 1 (true). That means that if both of its inputs are the same, the output will be 0 (false).
Symbols
There are three symbols for the XOR gate:
MIL/ANSI Symbol  IEC Symbol  DIN Symbol 

sv:Disjunktion (logik)#ORgrind och XORgrind