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Overhead may be: * Overhead (business), the ongoing operating costs of running a business * Engineering overhead, ancillary design features required by a component of a device * * Overhead (computing), ancillary computation required by an algorithm or program * * Protocol overhead, additional bandwidth used by a communications protocol * * Line code or encoding overhead, additional bandwidth required for physical line transmission * Overhead information, for telecommunication systems * File system overhead, storage or other consideration required by a file system that is not directly related to data. * Any physical object situated, or action occurring above: * * Overhead line, for power transmission * * Overhead cable, for signal transmission * * Overhead projector, a display system * Overhead cam, a mechanical device * Overhead join, in air traffic control ==See also== * Overkill (disambiguation) 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「Overhead」の詳細全文を読む スポンサード リンク
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