USBæ¯æ¥å£ï¼å¯ä»¥æ¥UçãUSBé®çé¼ æ ãæ°ç ç¸æºãMP3é身å¬ï¼çç
USB ,æ¯è±æUniversal Serial BUSï¼éç¨ä¸²è¡æ»çº¿ï¼ç缩åï¼èå
¶ä¸æç®ç§°ä¸ºâé串线ï¼æ¯ä¸ä¸ªå¤é¨æ»çº¿æ åï¼ç¨äºè§èçµèä¸å¤é¨è®¾å¤çè¿æ¥åé讯ãæ¯åºç¨å¨PCé¢åçæ¥å£ææ¯ãUSBæ¥å£æ¯æ设å¤çå³æå³ç¨åçææåè½ãUSBæ¯å¨1994å¹´åºç±è±ç¹å°ã康æãIBMãMicrosoftçå¤å®¶å
¬å¸èåæåºçã
åèèµæï¼http://baike.baidu.com/view/854.htm