# exclusive OR

## exclusive OR

Also called exclusive OR gate.
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World English Dictionary
 exclusive or —n logic Compare inclusive or Also called: exclusive disjunction the connective that gives the value true to a disjunction if one or other, but not both, of the disjuncts are true

Collins English Dictionary - Complete & Unabridged 10th Edition
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Computing Dictionary

### exclusive or definition

logic
(XOR, EOR) /X or, E or/ A two-input Boolean logic function whose result is true if one input is true and the other is false. The truth table is
A | B | A xor B --+---+-------- F | F | F F | T | T T | F | T T | T | F
The output is thus true if the inputs are not equal. If one input is false, the other is passed unchanged whereas if one input is true, the other is inverted.
In Boolean algebra, exclusive or is often written as a plus in a circle: "⊕". The circle may be omitted suggesting addition modulo two.
In digital logic, an exclusive or logic gate is drawn like a normal inclusive or gate but with a curved line across both inputs: exclusive or gate (img:http://upload.wikimedia.org/wikipedia/commons/e/e0/XOR.jpg).
(2006-12-13)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Pool coverage means that it is next to impossible to get an exclusive OR break news when the president is on the road.
Licenses may be exclusive OR non-exclusive for a particular field of use or geographic region.
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