arithmetic logic unit wikipedia - EAS
- In computing, an arithmetic logic unit ( ALU) is a digital circuit that performs arithmetic and logical operations. The ALU is a basic building block of the central processing unit (CPU) of a computer, even the simplest microcontrollers contain one for purposes such as timing.simple.wikipedia.org/wiki/Arithmetic_logic_unit
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In computing, an arithmetic logic unit (ALU) is a combinational digital circuit that performs arithmetic and bitwise operations on integer binary numbers. This is in contrast to a floating-point unit (FPU), which operates on floating point numbers. It is a fundamental building block of many types of computing circuits, … See more
An ALU has a variety of input and output nets, which are the electrical conductors used to convey digital signals between the ALU and external circuitry. When an ALU is operating, external circuits apply signals to the ALU inputs … See more
An ALU is a combinational logic circuit, meaning that its outputs will change asynchronously in response to input changes. In normal … See more
Multiple-precision arithmetic
In integer arithmetic computations, multiple-precision arithmetic is an algorithm that operates on integers which are larger than the … See moreMathematician John von Neumann proposed the ALU concept in 1945 in a report on the foundations for a new computer called the EDVAC.
The cost, size, and power consumption of electronic circuitry was relatively high throughout the … See moreA number of basic arithmetic and bitwise logic functions are commonly supported by ALUs. Basic, general purpose ALUs typically include these operations in their repertoires:
Arithmetic operations
• See moreAn ALU is usually implemented either as a stand-alone integrated circuit (IC), such as the 74181, or as part of a more complex IC. In the latter case, … See more
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