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Computer Science IGCSEPDF 134
142 pagesrevision 46930
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NOR
Expression
Symbol
Function
Truth Table
A NOR B
Itreturns True if both of
the inputs are false or 0.
Input A
Input B
Output
1
1
0
1
0
0
0
1
0
0
0
1
XOR(EOR)
Expression
Symbol
Function
Truth Table
It returns True if either of
the inputs are true(1) or
false(0); but not if both
are true or false.
A XOR B
Input A
InputB
Output
1
1
0
1
0
1
0
1
1
0
0
0
0478/23 May/June 2024
Combining Logic Gates: