CPU stands for central processing unit. The CPU is used to pass on information from the input devices to the output devices. For example moving your mouse would move the cursor on the monior. A MOTHEBOARD is a circut which holds alot of information. RAM means Random access memory

What is a CPU

A CPU is a central processing unit which processes every command you give it. But some CPU can handle the amount of commands it needs to be processed so a GPU comes into play where it has two to four CPUs which boost the graphics and release stress off the main CPU.

What is RAM

RAM (Random-access memory) is a high speed temporary storage for data the computer is currently working on.