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nand

nand in Technology

logic
Not AND. The Boolean function which is true unless both its arguments are true, the logical complement of AND:
A NAND B = NOT (A AND B) = (NOT A) OR (NOT B)
Its truth table is:
A | B | A NAND B --+---+--------- F | F | T F | T | T T | F | T T | T | F
NAND, like NOR, forms a complete set of Boolean functions on its own since it can be used to make NOT, AND, OR and any other Boolean function:
NOT A = A NAND A
A AND B = NOT (A NAND B)
A OR B = (NOT A) NAND (NOT B)
(1995-01-24)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for nand

NAND

NOT AND (logical operator)
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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