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The AND gate is a basic digital logic gate that implements logical conjunction (∧) from mathematical logic – AND gate behaves according to the truth table. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If not all of the inputs to the AND gate are HIGH, a LOW output results. The … 展开
1854George Boole introduces the concept of Boolean algebra, which is the basis of digital logic and AND gates1938Claude Shannon publishes his master's thesis, which shows how Boolean algebra can be used to analyze and design circuits using relays and switches1949John von Neumann proposes the concept of a stored-program computer, which uses a binary system and logic gates to perform arithmetic and control operations1950s-1960sVarious logic families are developed, such as diode logic, transistor-transistor logic, resistor-transistor logic, etc., which implement AND gates using different types of electronic components1963Frank Wanlass invents complementary metal-oxide-semiconductor (CMOS) technology, which uses both N-channel and P-channel MOSFETs to implement AND gates and other logic functions1971Intel releases the first commercial microprocessor, the 4004, which uses CMOS technology and contains about 2300 transistors, including many AND gates1985The International Electrotechnical Commission (IEC) standardizes the rectangular symbol for AND gates, along with other logic symbols1990s-presentThe development of nanotechnology, quantum computing, optical computing, etc., which explore new ways of implementing AND gates and other logic functions using different physical phenomenaCC-BY-SA 许可证中的维基百科文本 Logic gate - Wikipedia
A logic gate is a 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).
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与门 - 维基百科，自由的百科全书
网页与门（英語： AND gate ）是数字逻辑中实现逻辑与的逻辑门，功能见右侧真值表。仅当输入均为高電壓（1）时，输出才为高電壓（1）；若输入中至多有一个高電壓时，则输出为 …
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及閘 - 維基百科，自由的百科全書 - zh.wikipedia.org
网页及閘（英語： AND gate ）是數位邏輯中實現邏輯與的邏輯閘，功能見右側真值表。僅當輸入均為高電壓（1）時，輸出才為高電壓（1）；若輸入中至多有一個高電壓時，則輸出為 …
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AND gate - Simple English Wikipedia, the free encyclopedia
网页The AND gate is a logic gate that outputs 1 (true) only when both of its inputs are 1 (true). Since 0 is false, AND outputs the product (result of multiplication) of its inputs. That …
AND-OR-invert - Wikipedia
网页AND-OR-invert (AOI) logic and AOI gates are two-level compound (or complex) logic functions constructed from the combination of one or more AND gates followed by a …
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OR gate - Wikipedia
网页Together with the AND gate and the NOT gate, the OR gate is one of three basic logic gates from which any Boolean circuit may be constructed. All other logic gates may be …
AND gate - Wikiwand
网页The AND gate is a logic gate that outputs 1 (true) only when both of its inputs are 1 (true). Since 0 is false, AND outputs the product (result of multiplication) of its inputs.
NAND logic - Wikipedia
网页A NOT gate is made by joining the inputs of a NAND gate together. Since a NAND gate is equivalent to an AND gate followed by a NOT gate, joining the inputs of a NAND gate …
Digital Circuits/AND gate - Wikibooks
网页AND gates is one of the basic gates used to implement logical conjunction. It is basically a multiple input gate with a single output.
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