Computer Science, asked by Shoumik1299, 9 months ago

As an important part of CPU, ALU supports the functionality of performing many different functions, Can you elaborate on this statement by showing an example of one addition and one AND operation in 4 bit registers over the given hardware. Give the set of selection that will be required to perform this action.

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Answered by tripathishivansh12
2

Answer:

A symbolic representation of an ALU and its input and output signals, indicated by arrows pointing into or out of the ALU, respectively. Each arrow represents one or more signals. Control signals enter from the left and status signals exit on the right; data flows from top to bottom.

An arithmetic logic unit (ALU) is a combinational digital electronic circuit that performs arithmetic and bitwise operationson integer binary numbers.[1][2][3][4] 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.

The inputs to an ALU are the data to be operated on, called operands, and a code indicating the operation to be performed; the ALU's output is the result of the performed operation. In many designs, the ALU also has status inputs or outputs, or both, which convey information about a previous operation or the current operation, respectively, between the ALU and external status registers.

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