Internal Hardware

• The internal components of a computer system consist of the hardware required to store and process data, and communicate with external, peripheral devices.
• The processor, sometimes referred to as the CPU (central processing unit), is the part of the computer that processes data
• Main memory is memory that can be accessed directly by the processor. 
• There are two types of main memory: ROM and RAM
• A bus is a communication system that is used to transfer data between components.
• The components of a computer system are connected together using buses