logic gate


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logic gate

n.
A mechanical, optical, or electronic system that performs a logical operation on an input signal.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.logic gate - a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
AND circuit, AND gate - a circuit in a computer that fires only when all of its inputs fire
computer circuit - a circuit that is part of a computer
NAND circuit, NAND gate - a logic gate that produces an output that is the inverse of the output of an AND gate
OR circuit, OR gate - a gate circuit in a computer that fires when any of its inputs fire
XOR circuit, X-OR circuit, XOR gate - gate for exclusive OR; a circuit in a computer that fires only if only one of its inputs fire
References in periodicals archive ?
In this design, all optical NAND logic gate based on ring resonator of nonlinear photonic crystal is implemented.
In TDAMS, arithmetic operations, such as addition, are performed efficiently by using the delay time of the digital signal passing the logic gate as an analog signal.
Seven parts of the textbook focus in turn (but not in order) on the seven levels of abstraction that computers operate at: application, high-order language, assembly, operating system, instruction set architecture, microcode, and logic gate.
With modified versions of transistors used in smartphones, tablets and desktop computers, engineers have built the first quantum logic gate in silicon for performing quantum computations.
TEHRAN (FNA)- A team of engineers built a quantum logic gate in silicon for the first time, making calculations between two qubits of information possible -- and thereby clearing the final hurdle to making silicon quantum computers a reality.
Two transistors together form a logic gate, which is what allows a computer to manage mathematical operations.
But by having one MEMS device act as a logic gate, instead of using separate MEMS switches, the number of devices needed for a computer is reduced by a factor of 10 and the reliability and speed increases, Tabib-Azar said.
Engineers from Arizona State University in Tempe and the Space and Naval Warfare Systems Center (SPAWAR) in San Diego are exploiting noise to control a logic gate using a genetically engineered system derived from virus DNA.
M2 EQUITYBITES-January 18, 2011-Fairchild unveils FOD8012 bi-directional logic gate optocoupler with reliable optical isolation(C)2011 M2 COMMUNICATIONS http://www.
The team has managed to design a simple logic gate with 30 atoms that perform the same task as 14 transistors, while also exploring the architecture, technology, and chemistry needed to achieve computing inside a single molecule and to interconnect molecules.
The majority function is most fundamental logic gate in QCA circuits.
The I3T50 offers logic gate densities of 15,000/mm2 and can be used to create Smart Power SoC devices with gate counts as high as 500,000.