Simplify the following text for a Grade 11 native English-speaking person.
Original: It may have its own internal control sequence unit ( not to be confused with the CPUs main control unit ) , some registers , and other internal units such as a sub-ALU or FPU , or some smaller , more specific components .
Simplified: It may have its own internal control sequence unit , some registers , and other internal units such as a sub-ALU or FPU , or some smaller , more specific components .