Definition: Negated conjunction: 0 NAND 0 = 1, 0 NAND 1 = 1, 1 NAND 0 = 1, 1 NAND 1 = 0.

See also and, not, or, xor.

Note: NAND is equivalent to AND followed by NOT. It is of particular interest because all possible boolean functions can be built with combinations of NANDs, and a NAND gate is easily built.

Author: PEB

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Entry modified 16 July SAST 2012.
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Cite this as:
Paul E. Black, "nand", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 16 July SAST 2012. (accessed TODAY) Available from: