The most vital part of any computer system is the CPU, which is also known as the computer processing unit. It is the portion of the computer system that carries out the commands of a computer program and performs the basic arithemetical,logical, and input/output operations of the system.

CPU: The central processing unit

ALU: The Arithmetic Logic unit. It is in charge of running mathematics based functions such as adding or subtracting two numbers together. It performs arithmetic and logical functions.

RAM(Read only Memory): computer memory availible to the user for creating, running loading, or running programs and for the temporary usage of data. This data cannot be stored, therefore it is lost when the power is turned off.

ROM(Read only Memory): a storage devide that holds data permanently and can't be altered by the programmer.

Clock: measures the amounf of actions performed in Gigahertz/second