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Data is facts and statistics collected together for reference or analysis.

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ABS stands for Atanasoff-Berry computer.

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An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs. 

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In computing, a window is a graphical control element.

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Source code is the set of instructions written by a programmer using various programming languages. Source Code is generally written in English though it may vary from one computer to another.

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 Alt+K is a keyboard shortcut most often used to open the Transitions tab in the Ribbon.

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Explanation

TDM stands for Time Division Multiplexing.

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PDA stands for personal digital assistant.

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Internet Explorer is a free web browser, commonly called IE or MSIE, that allows users to view web pages on the internet.