# carry input

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• Carry 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 …   Wikipedia

• Carry-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 …   Wikipedia

• Carry bypass adder — A carry bypass adder improves the delay of a ripple carry adder.The two addends are split in blocks of n bits. The output carry of each block is dependent on the input carry only if, for each of the n bits in the block, at least one addend has a… …   Wikipedia

• Carry flag — In computer processors the carry flag (usually indicated as the C flag) is a single bit in a system status (flag) register used to indicate when an arithmetic carry or borrow has been generated out of the most significant ALU bit position. When… …   Wikipedia

• Carry-save adder — MotivationA carry save adder is a type of digital adder, used in computer microarchitecture to compute the sum of three or more n bit numbers in binary. It differs from other digital adders in that it outputs two numbers of the same dimensions as …   Wikipedia

• Lookahead 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… …   Wikipedia

• Multiply-with-carry — In computer science, multiply with carry (MWC) is a method invented by George Marsaglia for generating sequences of random integers based on an initial set of from two to many thousands of randomly chosen seed values. The main advantages of the… …   Wikipedia

• Adder (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… …   Wikipedia

• Method of complements — Complement numbers on an adding machine c. 1910 In mathematics and computing, the method of complements is a technique used to subtract one number from another using only addition of positive numbers. This method was commonly used in mechanical… …   Wikipedia

• Arithmetic logic unit — schematic symbol Cascadable 8 …   Wikipedia

• User interface — The user interface, in the industrial design field of human–machine interaction, is the space where interaction between humans and machines occurs. The goal of interaction between a human and a machine at the user interface is effective operation …   Wikipedia

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