From Wikipedia, the free encyclopedia
USB（英文：Universal Serial Bus）係連接外面設備嘅一個插口、匯流排嘅標準。電腦上成日用，接滑鼠、鍵盤、遊戲桿、掃描器、數位相機、印表機、硬碟，用途多多。最初由英特爾同微軟發起，最大特點係熱插拔（Hot plug），即係唔使閂機可以掹，同埋即插即用（Plug&Play，PnP）。2008年為止，全世界有成廿億個用 USB 嘅機[1]。
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