Legacy Systems, including: Floppy Disk, Industry Standard Architecture, Legacy System, Serial Port, Parallel Port, Game Port, Pc Speaker, At Keyboard, ... Floppy Drive, Viewdata, Naplps, Tops

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More info: A legacy system is an old method, technology, computer system, or application program that continues to be used, typically because it still functions for the users' needs, even though newer technology or more efficient methods of performing a task are now available. A legacy system may include procedures or terminology which are no longer relevant in the current context, and may hinder or confuse understanding of the methods or technologies used.