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''Newton OS'' is the discontinued operating system for the Apple Newton PDAs produced by Apple from 1993–1997. Newton OS was written entirely in C++ and trimmed to be low power consuming and use the available memory efficiently. Many applications were pre-installed in the ROM of the Newton (making for quick start-up) and to save on RAM and flash memory storage for user applications. Its use of ParaGraph's handwriting recognition engine has been noted as a pioneering implementation. ==Features== Newton OS featured many interface elements that even Mac OS didn't have at the time, such as drawers and the "poof" animation. An animation similar to this is found in Mac OS X, and parts of the Newton's handwriting recognition system have been implemented as Inkwell in Mac OS X. *Sound responsive — Clicking menus and icons makes a sound; this feature was later introduced in Mac OS 8. *Icons - Similar to the Macintosh Desktop metaphor, Newton OS uses icons to open applications. *Tabbed documents — Similar to tabbed browsing in today's browsers and Apple's AtEase interface, documents titles appear in a small tab at the top right hand of the screen. *Screen rotation — In Newton 2.0, the screen could be rotated to be used for drawing or word processing. *File documents — Notes and Drawings can be categorized. E.g. Fun, Business, Personal, etc. *Print documents — Documents on the Newton can be printed. *Send documents — Documents can be sent to another Newton via Infrared technology or sent using the Internet by E-Mail, or faxed. *Menus — Similar to menus seen in Mac OS, but menu titles are instead presented at the bottom of the screen in small rectangles, making them similar to buttons with attached "pop-up" menus. Many features of the Newton are best appreciated in the context of the history of Pen computing.〔(Notes on the (relatively unknown) History of Pen-based Computing )〕〔(Annotated Bibliography in Pen Computing )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Newton OS」の詳細全文を読む スポンサード リンク
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