Fire sprinkler systems use heat-sensitive devices to detect fires and automatically spray water onto the affected area to suppress flames and cool the building. They are designed to activate only in areas where fire is present, not throughout the entire building.

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Text-based user interfaces (TUIs) are lightweight programs that use keyboard and text characters instead of graphics, making them fast, efficient, and accessible on any computer. They require fewer system resources and work well over slow internet connections.

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Plain text files are universally portable because they use only basic ASCII characters that every computer system can read and understand, without requiring special software or formatting. They are not dependent on any specific operating system, program, or hardware platform.

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The ASCII character set was developed in 1963 by the American Standards Association (now known as ANSI). It was officially published as a standard in 1963 and became widely adopted for computer communication and text representation.

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Plain text is a simple format for storing written information using only basic characters like letters, numbers, and punctuation marks, without any formatting like bold, colors, or special fonts. It is one of the most basic and universal ways to save and share text files.

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