Which of the following statements is WRONG about the microprogram?

Question $9$ options:

The microprogram controls the data path to execute the instructions of the program in the memory.

The program instructions are interpreted$($converted$,$ or decomposed$)$ into microinstructions.

The microprogram is stored in the main memory, i$.$e$.,$ RAM.

Some bits in the microinstructions will become control signals of the ALU.