- The first personal computer that was built and sold exclusively for home users was the Apple II. The Apple II was designed by primarily by Steve Wozniak with assistance from Steve Jobs and Rod Holt.
- There are many different types of computers, including but not limited to personal computers, workstations, mainframe computers and supercomputers. Smartphones and tablets are also classified as a computer.
- A personal computer is a computer that is used for personal use in the home.
- A workstation is a computer used by businesses and educators for design, technical and scientific purposes.
- A mainframe is a computer used by businesses for large data processing and other critical applications.