题目内容
The control unit determines the movement of electronic signals between main memory and the arithmetic/logic unit, as well as the control signals between the CPU and input/output devices.
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The CPU comprise the control unit and the arithmetic/logic unit (ALU).
The CPU is the most complex computer system component, responsible for directing most of the computer system activities based on the instructions provided.
The ALU executes/performs all the arithmetic and logical(comparison) functions—that is, it adds, subtracts, multiplies, divides, and does comparison.
The central processing unit (CPU) is the heart of the computer systems and its configuration determines whether a computer is fast or slow in relation to other computers.
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