Micro-programmed control, Computer Engineering

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Q. MICRO-PROGRAMMED CONTROL?

A substitute to a hardwired control unit is a micro-programmed control unit in which logic of the control unit is specified by a micro-program. A micro-program is also known as firmware (midway amid the software and thehardware). It includes:

(a)  One or more than one micro-operations to be executed 

(b)  Information associated with micro-instruction to be executed next.

General configuration of a micro-programmed control unit is illustrated in Figure below:

1763_MICRO-PROGRAMMED CONTROL.png

Figure: Operation of Micro-Programmed Control Unit


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