Answer:

to become the most crucial. In other words knowing how to deal or familiarized with use and function of the system unit you can understand all of their purpose for that device , then it is simple to know what the thing is just in case the units stop functioning

Answer:

It controls the all internal and external devices and their functions. Parts like motherboard, ram, storage device, processors are present in this CPU. CPU performs all the Arithmetic and Logical operations of computer. - Arithmetic logical unit and Logical unit are the important components of this system.