This document defines and describes five main types of computers: super computers, mainframe computers, mini computers, micro computers, and embedded computers. Super computers are specialized to perform one specific task, mainframe computers can perform several functions and are used by governments. Mini computers also perform multiple functions but are used by small to medium sized businesses. Micro computers are multi-purpose and affordable for individual use. Embedded computers are dedicated devices that perform single tasks using micro-controllers rather than CPUs.