PC: Although the term PC (short for Personal Computer) is broad enough to include Apple computers as well as others, the term is commonly accepted to mean "IBM compatible," which today means Windows machines. PCs have numerous manufacturers, unlike Apple. These manufacturers include Dell, HP, Compaq, Sony.

Macintosh Computer: Designed and developed by Apple Inc., the Macintosh was the first commercially successful personal computer to use a graphical user interface (GUI) and mouse instead of a command line interface (such as DOS). Popular models include the iMac, Mac Pro, and MacBook Pro.