What is the relationship between machine instructions and microinstructions in a microprogrammed controller?

In microprogrammed controllers, the relationship between machine instructions and microinstructions is that "each machine instruction is interpreted and executed by a microprogram programmed with microinstructions", where machine instructions are the smallest unit provided for user programming. Microinstructions are a set of microcommands with specific functions, usually expressed in binary encoding.

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In microprogrammed controllers, the relationship between machine instructions and microinstructions It is "each machine instruction is interpreted and executed by a microprogram programmed with microinstructions."

The machine instruction is the smallest unit provided for user programming. It is a basic operation that the machine can complete. The machine instruction is represented by a microprogram compiled by microinstructions. Microinstructions are a set of microcommands with specific functions, usually expressed in binary encoding.

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