logic gates - определение. Что такое logic gates
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Что (кто) такое logic gates - определение

COMPUTATIONAL EQUIPMENT, PHYSICAL OR THEORETICAL, THAT PERFORMS A BOOLEAN LOGIC FUNCTION
Logic Gate; Logic circuit; Discrete logic; Logic gates; Digital logic; Binary logic elements; Digital Logic; Logical gate; Logic circuits; Logic device; Electronic gate; Bubble pushing; Universal Logic Gate; Universal logic gate; Electronic logic gates; Electronic logic gate; Ideal logic gate; Logical circuit; Gates on chips
  • A synchronous 4-bit up/down decade counter symbol (74LS192) in accordance with ANSI/IEEE Std. 91-1984 and IEC Publication 60617-12.
  • AND symbol
  • AND symbol
  • Buffer symbol
  • Buffer symbol
  • [[CMOS]] diagram of a [[NOT gate]], also known as an inverter. [[MOSFET]]s are the most common way to make logic gates.
  • XOR]] logic gates.
  • NAND symbol
  • NAND symbol
  • NOR symbol
  • NOR symbol
  • NOT symbol
  • NOT symbol
  • OR symbol
  • OR symbol
  • Animation of how an SR [[NOR gate]] latch works.
  • The 7400 chip, containing four NANDs. The two additional pins supply power (+5 V) and connect the ground.
  • A tristate buffer can be thought of as a switch. If ''B'' is on, the switch is closed. If B is off, the switch is open.
  • XNOR symbol
  • XNOR symbol
  • XOR symbol
  • XOR symbol
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logic gate         
An integrated circuit or other device whose inputs and outputs represent Boolean or binary values as voltages (TTL uses 0V for False or 0, +5V for True or 1). Different gates implement different Boolean functions: AND, OR, NAND, NOR (these may take two or more inputs) NOT (one input), XOR (two inputs). NOT, NAND and NOR are often constructed from single transistors and the other gates made from combinations of these basic ones. These functions are all combinatorial logic functions, i.e. their outputs depend only on their inputs and there is no internal state. Gates with state, such as latches and flip-flops, are constructed by feeding some of their outputs back to their inputs. (1995-02-08)
Logic gate         
A logic gate is an idealized or physical device implementing a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output. Depending on the context, the term may refer to an ideal logic gate, one that has for instance zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device (see Ideal and real op-amps for comparison).
digital logic         
List of quantum logic gates         
WIKIMEDIA LIST ARTICLE
User:ReyHahn/List of quantum logic gates
In gate-based quantum computing, various sets of quantum logic gates are commonly used to express quantum operations. The following tables lists various of unitary quantum logic gates, together with their common name, how they are represented, and some of their properties.
Photochemical logic gate         
User:Garethjhughes; Photochemical Logic Gates
A photochemical logic gate is based on the photochemical intersystem crossing and molecular electronic transition between photochemically active molecules, leading to logic gates that can be produced.
Molecular logic gate         
  • '''Figure 11.''' A pseudorotaxane-based logic gate.
MOLECULE THAT PERFORMS A LOGICAL OPERATION
Molecular logic gates
A molecular logic gate is a molecule that performs a logical operation based on one or more physical or chemical inputs and a single output. The field has advanced from simple logic systems based on a single chemical or physical input to molecules capable of combinatorial and sequential operations such as arithmetic operations (i.
Quantum logic gate         
  • Boolean]] value which is consumed by the classical computer. If <math>\phi</math> measures to 1, then the classical computer tells the quantum computer to apply the U gate on <math>\psi</math>.<br>In circuit diagrams, single lines are [[qubit]]s, and doubled lines are [[bit]]s.
  • \psi\rangle</math>.}}
  • CNOT]] gates. The gate that is surrounded by the dotted square in this picture can be omitted if [[uncomputation]] to restore the ''B output'' is not required.
BASIC CIRCUIT IN QUANTUM COMPUTING
Phase shift gate; Quantum Gate; Hadamard operation; Quantum gates; Quantum gate; Quantum logic gates; Universal gate quantum computing; Deutsch gate; Draft:Deutsch gate; Phase gate; Unitary gate
In quantum computing and specifically the quantum circuit model of computation, a quantum logic gate (or simply quantum gate) is a basic quantum circuit operating on a small number of qubits. They are the building blocks of quantum circuits, like classical logic gates are for conventional digital circuits.
Kathleen Gates         
AMERICAN NEUROSCIENTIST
Katie Gates
Kathleen Marie "Katie" Gates is an American neuroscientist, quantitative psychologist, and faculty member in the L. L.
Bill Gates         
  • alt=
  • adj=on}} floppy disk system whose first programming language was Microsoft's founding product, [[Altair BASIC]]
  • 280x280px
  • Gates in a fireside chat moderated by [[Shereen Bhan]] virtually at the [[Singapore FinTech Festival]] 2020
  • Melinda]], 2009
  • 23px
  • Umaru Yar'Adua]] of Nigeria and others during the Annual Meeting 2008 of the World Economic Forum
  • Lakeside School]], 1970
  • Bill and Melinda Gates being awarded the Presidential Medal of Freedom by President [[Barack Obama]] in 2016
  • ''D: All Things Digital'']] in 2007
  • COP26 climate summit]] in Glasgow in November 2021
  • Gates giving his deposition at Microsoft on August 27, 1998
  • UN Climate Change conference]] to work together to bring green technologies to market.
AMERICAN BUSINESSMAN AND PHILANTHROPIST (BORN 1955)
William Henry Gates, III; William Henry Gates, Jr.; William Henry Gates III; William Gates, III; William H. Gates, III; William H Gates; William H. Gates III; Bill gates; Bill Gate; William H. Gates; BillGates; William Henry, III Gates; Gates, William Henry, III; Gates, Bill; William Gates III; Bil Gates; Gates & Co.; Billy Gates; Sir William Henry Gates III; Bill Gates Wealth Index; Willy Gates; Bill Gates III; Bill Gates (Microsoft); William henry gates 3; Bill gate; William Henry Gates IV; William H. Gates IV; William Gates IV; Bill Gates IV; Billy gates; Sir Bill Gates; Billgates; BillGatesIII; William H Gates III; BILL GATES; Phoebe Adele Gates; William Henry "Bill" Gates III; @BillGates; William Henry Gates 3; Philanthropy of Bill Gates; William Henry Gates the Third; Political positions of Bill Gates; Public image of Bill Gates
<person> William Henry Gates III, Chief Executive Officer of Microsoft, which he co-founded in 1975 with Paul Allen. In 1994 Gates is a billionaire, worth $9.35b and Microsoft is worth about $27b. He was a computer nerd who dropped out of Harvard and one of the first programmers to oppose software piracy ("Open Letter to Hobbyists," Computer Notes, February 3, 1976). (1995-03-02)
Bill Gates         
  • alt=
  • adj=on}} floppy disk system whose first programming language was Microsoft's founding product, [[Altair BASIC]]
  • 280x280px
  • Gates in a fireside chat moderated by [[Shereen Bhan]] virtually at the [[Singapore FinTech Festival]] 2020
  • Melinda]], 2009
  • 23px
  • Umaru Yar'Adua]] of Nigeria and others during the Annual Meeting 2008 of the World Economic Forum
  • Lakeside School]], 1970
  • Bill and Melinda Gates being awarded the Presidential Medal of Freedom by President [[Barack Obama]] in 2016
  • ''D: All Things Digital'']] in 2007
  • COP26 climate summit]] in Glasgow in November 2021
  • Gates giving his deposition at Microsoft on August 27, 1998
  • UN Climate Change conference]] to work together to bring green technologies to market.
AMERICAN BUSINESSMAN AND PHILANTHROPIST (BORN 1955)
William Henry Gates, III; William Henry Gates, Jr.; William Henry Gates III; William Gates, III; William H. Gates, III; William H Gates; William H. Gates III; Bill gates; Bill Gate; William H. Gates; BillGates; William Henry, III Gates; Gates, William Henry, III; Gates, Bill; William Gates III; Bil Gates; Gates & Co.; Billy Gates; Sir William Henry Gates III; Bill Gates Wealth Index; Willy Gates; Bill Gates III; Bill Gates (Microsoft); William henry gates 3; Bill gate; William Henry Gates IV; William H. Gates IV; William Gates IV; Bill Gates IV; Billy gates; Sir Bill Gates; Billgates; BillGatesIII; William H Gates III; BILL GATES; Phoebe Adele Gates; William Henry "Bill" Gates III; @BillGates; William Henry Gates 3; Philanthropy of Bill Gates; William Henry Gates the Third; Political positions of Bill Gates; Public image of Bill Gates

William Henry Gates III (born October 28, 1955) is an American business magnate, software developer, investor, author, and philanthropist. He is a co-founder of Microsoft, along with his late childhood friend Paul Allen. During his career at Microsoft, Gates held the positions of chairman, chief executive officer (CEO), president and chief software architect, while also being the largest individual shareholder until May 2014. He was a major entrepreneur of the microcomputer revolution of the 1970s and 1980s.

Gates was born and raised in Seattle, Washington. In 1975, he and Allen founded Microsoft in Albuquerque, New Mexico. It became the world's largest personal computer software company. Gates led the company as chairman and CEO until stepping down as CEO in January 2000, succeeded by Steve Ballmer, but he remained chairman of the board of directors and became chief software architect. During the late 1990s, he was criticized for his business tactics, which have been considered anti-competitive. This opinion has been upheld by numerous court rulings. In June 2008, Gates transitioned to a part-time role at Microsoft and full-time work at the Bill & Melinda Gates Foundation, the private charitable foundation he and his then-wife, Melinda Gates, established in 2000. He stepped down as chairman of the board of Microsoft in February 2014 and assumed a new post as technology adviser to support the newly appointed CEO Satya Nadella. In March 2020, Gates left his board positions at Microsoft and Berkshire Hathaway to focus on his philanthropic efforts on climate change, global health and development, and education.

Since 1987, Gates has been included in the Forbes list of the world's wealthiest people. From 1995 to 2017, he held the Forbes title of the richest person in the world every year except from 2010 to 2013. In October 2017, he was surpassed by Amazon founder and CEO Jeff Bezos, who had an estimated net worth of US$90.6 billion compared to Gates's net worth of US$89.9 billion at the time. As of October 2022, Gates had an estimated net worth of US$107 billion, making him the fifth-richest person in the world.

Later in his career and since leaving day-to-day operations at Microsoft in 2008, Gates has pursued many business and philanthropic endeavors. He is the founder and chairman of several companies, including BEN, Cascade Investment, bgC3, and TerraPower. He has given sizable amounts of money to various charitable organizations and scientific research programs through the Bill & Melinda Gates Foundation, reported to be the world's largest private charity. Through the foundation, he led an early 21st century vaccination campaign that significantly contributed to the eradication of the wild poliovirus in Africa. In 2010, Gates and Warren Buffett founded The Giving Pledge, whereby they and other billionaires pledge to give at least half of their wealth to philanthropy.

Википедия

Logic gate

A logic gate is an idealized or physical device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output.

Depending on the context, the term may refer to an ideal logic gate, one that has for instance zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device (see ideal and real op-amps for comparison).

In the real world, the primary way of building logic gates uses diodes or transistors acting as electronic switches. Today, most logic gates are made from MOSFETs (metal–oxide–semiconductor field-effect transistors). They can also be constructed using vacuum tubes, electromagnetic relays with relay logic, fluidic logic, pneumatic logic, optics, molecules, or even mechanical elements.

With amplification, logic gates can be cascaded in the same way that Boolean functions can be composed, allowing the construction of a physical model of all of Boolean logic, and therefore, all of the algorithms and mathematics that can be described with Boolean logic.

Logic circuits include such devices as multiplexers, registers, arithmetic logic units (ALUs), and computer memory, all the way up through complete microprocessors, which may contain more than 100 million logic gates.

Compound logic gates AND-OR-Invert (AOI) and OR-AND-Invert (OAI) are often employed in circuit design because their construction using MOSFETs is simpler and more efficient than the sum of the individual gates.

In reversible logic, Toffoli or Fredkin gates are used.