Ch. 19 Control Units

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An instruction that controls data flow and sequencing in a processor at a more fundamental level than machine instructions.
An elementary CPU operation, performed during one clock pulse. (Hyphenated)
A sequence of microinstructions that are in special storage where they can be dynamically accessed to perform various functions.
A combinational circuit with a number of output lines, only one of which is asserted at any time.
Microcode stored in read-only memory.
This component controls the movement of data and instructions into and out of the processor, and controls the operation of the ALU.
In this category of implementation, the control unit is essentially a state machine circuit.
An output of the control unit.
Where microprograms are stored.
The person who first proposed microprogrammed control unit design.