what 's a cpu?
The CPU (Central Processing Unit) is the part of a computer system that is commonly referred to as the brains of a computer. The CPU is also known as the processor or microprocessor. The CPU is responsible for executing a sequence of stored instructions called a program [program: a list of instructions written in a programming language ]. This program will take inputs [input: Everything that goes into a system. The three most common inputs in industry are physical inputs, labour and capital.