The Apple MacIntosh, now known as the Mac, is a broad product line of personal computers. Learn about how it works, who uses it and its storied history. The Apple Macintosh revolutionized the computer industry. Steve Jobs and his team arranged for the computer to be used by the normal “person in the street”. Learn about the history and features of the Macintosh line of computers introduced by Apple Inc. in 1984. Find out the difference between Mac and Lisa, and take a quiz on Mac terms and facts. Mac (formerly Macintosh) is a line of desktop and laptop computers developed by Apple. Each Mac computer runs a version of macOS, Apple's computer operating system. As of 2023, nearly the entire lineup runs on custom-designed Apple Silicon processors. The original Macintosh, released in 1984, was the first personal computer to have a graphical user interface or GUI. It was a small beige all-in-one machine with a 9-inch monochrome CRT display, sold with a bundled mouse and keyboard. Over the ...