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The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an external hard drive; the protocol set interfaces with a number of storage devices. == Uses == Devices connected to computers via this standard include: * External magnetic hard drives * External optical drives, including CD and DVD reader and writer drives * Portable flash memory devices * Solid-state drives * Adapters between standard flash memory cards and USB connections * Digital cameras * Digital audio and portable media players * Card readers * PDAs * Mobile phones Devices supporting this standard are known as MSC (Mass Storage Class) devices. While MSC is the original abbreviation, UMS (Universal Mass Storage) has also come into common use. 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「USB mass storage device class」の詳細全文を読む スポンサード リンク
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