Exam 20: Control Unit Operation

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__________ is when the control unit examines the opcode and generates a sequence of micro-operations based on the value of the opcode.

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Each phase of the instruction cycle can be decomposed into a sequence of elementary micro-operations.

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The control unit is the engine that runs the entire computer.

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The key control unit inputs are: clock,instruction register,control signals from control bus,and _________.

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The ________ pulse signals the start of each machine cycle from the control unit and alerts external circuits.

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