![]() ![]() These are temporary storage units within the CPU. Large processors also employ parallel operation for high speed. However, more powerful processors include sophisticated arithmetic hardware capable of division, multiplication, fixed and floating point arithmetic etc. It is not essential for the ALU to subtract, divide, or multiply, as these functions are easily achieved by using addition in conjunction with 2's complement arithmetic. This is where the mathematics and logic functions are implemented. These units are shown as part of a computer system in Figure.ĪLU. The CPU is formed from the following interconnected units: It executes the individual machine instructions, which make up a program. The CPU is the heart of any computing system.
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