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|OS family||16-bit Windows|
Modular Windows (codenamed Haiku) is an embedded version of Windows 3.1x which was mainly used on the Memorex/Tandy Video Information System (VIS). It was also used as a base for standalone WinPad builds and Windows 3.1 mode for Windows 9x.
It was later replaced with Windows CE which has been used on other devices, including the Sega Dreamcast, Handheld PC and the Pocket PC (later Windows Mobile).