NOR

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NOR

[nȯr]
(mathematics)
A logic operator having the property that if P, Q, R, … are statements, then the NOR of P, Q, R, … is true if all statements are false, false if at least one statement is true. Derived from NOT-OR. Also known as Peirce stroke relationship.

NOR

Not OR.

The Boolean function which is true if none of its inputs are true and false otherwise, the logical complement of inclusive OR. The binary (two-input) NOR function can be defined (written as an infix operator):

A NOR B = NOT (A OR B) = (NOT A) AND (NOT B)

Its truth table is:

A | B | A NOR B --+---+--------- F | F | T F | T | F T | F | F T | T | F

NOR, like NAND, 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 NOR A

A OR B = NOT (A NOR B)

A AND B = (NOT A) NOR (NOT B)

NOR

(Not OR) A Boolean logical operation that is true if all inputs are false, and false if any input is true. An exclusive NOR (XNOR) is true if both inputs are the same. See flash memory and NAND flash.


References in periodicals archive ?
Team: Cuss, Fox, Staniforth, Benn (Hitchen, 83mins), Wood, Curtis, Muller, Tansley, Jones, Kenworthy, Gorr (Bitton-Price, 80mins).
Gorr said it's more difficult to forecast for smaller areas because they have fewer criminal incidents, so the computer has fewer data points to analyze.
The anticipated delay procedure again uses the Achabal, Gorr, and Mahajan (1982) iterative process to find locations that maximize Equation (5) for the full set of planned outlets.
Gorr, a Michigan-born farm boy and champion skeet shooter, joined Findlay, OH-based Cooper in 1972 as controller, rising to CFO, then president in 1982, and chairman and CEO in 1989.
Gorr of Z-Line said that sectionals were a big growth area that he saw, particularly pieces that had a crescent front.
She assumes some of the former duties of Edie Gorr, Brown Jordan's former director of marketing services, who has also resigned.
Establishing a network of two or more outlets, on the other hand, requires systematic evaluation of the impact of each store on the entire network of outlets operated by the firm and the consideration of the "system-wide store-location interactions" (Achabal, Gorr, and Mahajan 1982, p.
Gorr, Chief Marketing Officer of The Franklin Mint.
Waldron will reserve a 3% gross overridding royalty ( GORR ) in favour of Maple Leaf on all producing and nonproducing lands owned by the company;
Sara Gorr, a San Francisco sales director and mother of girls ages 13 and 15, said she welcomes the academy's recommendations.
Her husband, Kelvin Gorr, insists his wife, from Kirkliston, near Edinburgh, was telling the truth when she claimed she was simply running a dating service.
After approval by GORR, the proposed regulation will be published in the New York Register, followed by a 45-day formal public comment period.