look-ahead carry logic

  • 1Carry look-ahead adder — A carry look ahead adder is a type of adder used in digital logic. It can be contrasted with the simpler, but usually slower, ripple carry adder ( see adder for detail on ripple carry adders ). A ripple carry adder works in the same way as pencil …

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  • 2Carry — or carrying may refer to: *Carry (arithmetic), when a digit becomes bigger than limit and the extra is moved to the left **Carry flag, the equivalent in calculation in a computer *Carrying (basketball), a rule breach in basketball *Carry… …

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  • 3Carry-lookahead adder — 4 bit adder with carry lookahead A carry lookahead adder (CLA) is a type of adder used in digital logic. A carry lookahead adder improves speed by reducing the amount of time required to determine carry bits. It can be contrasted with the simpler …

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  • 4Lookahead Carry Unit — A Lookahead Carry Unit (LCU) is a logical unit in digital circuit design used to decrease calculation time in adder units and used in conjunction with carry look ahead adders (CLAs).16 bit adderBy combining four 4 bit CLAs, a 16 bit adder can be… …

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  • 574181 — The 74S181 4 bit ALU bitslice resting on a page from the datasheet. The 74181 is a bit slice arithmetic logic unit (ALU), implemented as a 7400 series TTL integrated circuit. The first complete ALU on a single chip,[1] it was used as the… …

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  • 6List of Intel microprocessors — For a list of Intel s microcontrollers, see List of common microcontrollers#Intel. This generational and chronological list of Intel microprocessors attempts to present all of Intel s processors from the pioneering 4 bit 4004 (1971) to the… …

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  • 7AMD Am2900 — Am2900 is a family of integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). They were constructed with bipolar devices, in a bit slice topology, and were designed to be used as modular components each representing a different …

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  • 8Adder (electronics) — In electronics, an adder or summer is a digital circuit that performs addition of numbers.In modern computers adders reside in the arithmetic logic unit (ALU) where other operations are performed.Although adders can be constructed for many… …

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  • 9Binary-coded decimal — In computing and electronic systems, binary coded decimal (BCD) is a digital encoding method for numbers using decimal notation, with each decimal digit represented by its own binary sequence. In BCD, a numeral is usually represented by four bits …

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  • 10artificial intelligence — the capacity of a computer to perform operations analogous to learning and decision making in humans, as by an expert system, a program for CAD or CAM, or a program for the perception and recognition of shapes in computer vision systems. Abbr.:… …

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