Discussion
The part of a computer that coordinates all of its functions is called its
Answer: D
Correct answer: Control Unit
The control unit directs the operation of the whole machine: it fetches each instruction, decodes it, and issues the timing and control signals that make the other components act on it in the right order.
The arithmetic and logic unit is directed rather than directing - it performs the calculations and comparisons the control unit tells it to. The two together make up the CPU. The system board carries the components and provides the interconnections, and ROM holds firmware rather than coordinating anything.
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