Apple Computers is an American multinational technology company that designs, develops, and sells consumer electronics, computer software, and online services. It is best known for its Mac computers, which include the MACS and iMacs. MACS are desktop computers that come in a variety of sizes and configurations, while iMacs are all-in-one desktop computers that feature a built-in display and other components. Both MACS and iMacs run on Apple's proprietary operating system, macOS.