Today, most all computing devices no matter how small or large use an operating system in some form. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

See operating system. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

The original operating system for IBM PC compatible computers. It is the basic for the current Windows operating system. When people use the term DOS, they are commonly referring to Microsoft DOS ...

Windows Phone is a proprietary mobile operating system developed by Microsoft. Windows Phone introduced a new design language, previously called Metro UI, but later renamed to simply Modern.

Operating income measures a company’s efficiency and performance and is the profit after operating expenses have been subtracted from gross profit. Before delving further into operating income ...

BlackBerry OS is a proprietary mobile operating system developed by Research In Motion (RIM) for its BlackBerry line of smartphones. The BlackBerry platform is perhaps best known for its native ...

Director eliminated manual input, making computing more efficient and automated Seventy years later, Director’s legacy ...