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Additional
arithmetic logic unit
English Wikipedia - The Free Encyclopedia
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Arithmetic logic unit
An
arithmetic logic unit
(ALU) is a
digital electronic circuit
that performs
arithmetic
and
bitwise logical
operations on
integer
binary numbers
. This is in contrast to a
floating-point unit
(FPU), which operates on
floating point
numbers. An ALU is a fundamental building block of many types of computing circuits, including the
central processing unit
(CPU) of computers, FPUs, and
graphics processing units
(GPUs). A single CPU, FPU or GPU may contain multiple ALUs.
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