USB
鐨勭粨鏋勫強宸ヤ綔鍘熺悊锛?/p>
USB
鐨勭粨鏋勫強閫氳鍘熺悊锛熶负浠�涔堢幇鍦ㄧ殑
USB
鎵?/p>
4
鏉＄嚎灏卞彲浠ヤ唬鏇挎墦鍗版満鍙?/p>
锛?/p>
25
閽堬級
锛?/p>
USB
鐨勪紭鐐圭己鐐癸紵杩樻湁锛屾湁浠�涔堟帶浠跺彲浠ヨ繘琛?/p>
USB
閫氳锛?/p>
VB
锛夛紵
USB(Universal Serial Bus)
鏄?/p>
1995
骞?/p>
Microsoft
銆?/p>
Compaq
銆?/p>
IBM
绛夊叕鍙歌仈鍚堝埗瀹氱殑涓�绉?/p>
鏂扮殑
PC
涓茶閫氫俊鍗忚銆?/p>
USB
鍗忚鍑哄彴鍚庡緱鍒板悇
PC
鍘傚晢銆佽姱鐗囧埗閫犲晢
鍜?/p>
PC
澶栬鍘傚晢鐨?/p>
骞挎硾鏀寔銆?/p>
USB
鏈韩涔熷浜庝笉鏂殑鍙戝睍鍜屽畬鍠勪腑锛?/p>
浠庡綋鍒濈殑
0.7
銆?/p>
0.8
鍒扮幇鍦ㄥ箍娉涢噰鐢ㄧ殑
1.0
銆?/p>
1.1
鐗堟湰鍒板嵆灏嗚閲囩敤鐨?/p>
2.0
鐗堟湰銆?/p>
USB
澶栬鍦ㄥ浗澶栦互鎯婁汉鐨勯�熷害鍙戝睍锛岃縿浠婁负姝紝鍚勭
USB
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USB
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浼樼偣璋堣捣銆?/p>
1. PC
涓轰粈涔堟�ラ渶
USB
USB
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姣忓彴
PC
閫氳繃
USB
绔彛鏈�澶氬彲
浠ユ帴
127
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USB
瀹屽叏鏄?/p>
PNP
鐨勶紝鍦?/p>
鎮ㄧ涓�娆″畨瑁呭畬鎴愪互鍚庯紝鍔犲噺璁惧鍙渶瑕佹嫈鍑烘垨鎻掍笂
USB
鎻掑ご灏变竴鍒?/p>
OK
浜嗭紝涓嶅繀鐞嗕細鏈?/p>
鍣ㄦ槸寮�杩樻槸鍏筹紝灏辫繖涔堢畝鍗曘�?/p>
鍙笉瑕佸洜涓烘參寰楄薄铚楃墰鐨?/p>
232
鑰屼娇浣犺仈鎯冲埌涓茶灏变唬琛ㄦ參銆?/p>
USB
鏈夊揩閫熷拰鎱㈤�熷伐浣滄柟寮忥紝
浼犺緭閫熺巼鍒嗗埆涓?/p>
12Mbps
鍜?/p>
1.5Mbps
锛屾瘮
232
蹇簡涓嶇煡閬撳灏戝�嶃�?/p>
2. USB
鐨勭粨鏋勬鏋?/p>
root hub
______________|___________
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