Central Processing Unit (CPU)
Does all of the work for the computer
- Does all of the mathematics, mainly addition
- Does all the logical comparisons of values
- Directs the flow of data in a computer
- Controls the operation of the parts of the computer
Today, all CPUs are microprocessors
- A microprocessor is a complete computer on a silicon chip
- A microprocessor does all of the functions of a computer
- stores data and instructions waiting to be used
- follows changeable instructions
- does input, processing, and output
