Computer System Software Concepts

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System Software

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the software that runs a computer, including the operating system

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Operating System (OS)

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a program that manages the complete operation of your computer or mobile device and lets you interact with it

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Graphical User Interface (GUI)

Back

a collective term for all the ways you interact with the device

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Software as a Service (SaaS)

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software that is distributed online for a monthly subscription or an annual fee

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Desktop Operating System

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an operating system installed on a single computer

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Server Operating System

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multiuse operating system that controls a single, centralized server computer that supports many users on networked computers

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Mobile Operating System

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is focused on the needs of a mobile user and the capabilities of the device

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Desktop

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an operating system screen that contains icons for programs and files, as well as toolbars, taskbars, menus, and buttons you can use to start programs and apps

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Window

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a rectangular-shaped work area that displays an app or a collection of files, folders, and Windows tools

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File

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a collection of information stored on your computer