Processor
A processor is the logic circuitry that responds to and processes the basic instructions that drive a computer. The four primary functions of a processor are fetch, decode, execute and writeback.
It is designed for a computers, his target is do simple operations very quickly, there is the use of MHz. It is used for do tasks, play games, watch videos,...
The structure is made of electronic pieces, and plastic, so it's very weak, so we need to put into the PC with care.
The mesures of a CPU are very low, every generation, the manufacturers are trying to do the CPU more little with more transistors. The powerful of a CPU it depens of the money you have. Goes from 1.0 GHz, to 4.0 GHz.
