The NAND gate.

The NAND gate is equivalent to an AND gate followed by a NOT gate so that the output is 0 when all of the inputs are high, otherwise the output is 1. There may be any number of inputs. The circuit symbol for a three input NAND gate is

The truth table for a three input NAND gate is

A	B	C	X
0	0	0	1
0	0	1	1
0	1	0	1
0	1	1	1
1	0	0	1
1	0	1	1
1	1	0	1
1	1	1	0

 

The Boolean algebra equivalent is

Posted Date: 8/27/2012 1:37:10 AM | Location : United States

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