The micro-operations in computers are classified into the following categories:

★ Register transfer micro-operations:

These type of micro operations are used to transfer from one register to another binary information.

★ Arithmetic micro-operations:

These micro-operations are used to perform on numeric data stored in the registers some arithmetic operations.

★ Logic micro-operations:

These micro operations are used to perform bit style operations / manipulations on non numeric data.

★ Shift micro operations:

As their name suggests they are used to perform shift operations in data store in registers.