The data are recorded on a series of concentric circles called tracks. The access mechanism steps from track to track, reading or writing one track at a time.

 
  • 數據被記錄在一些被稱(chēng)為磁道的同心圓上,存取裝置讀寫(xiě)磁道的過(guò)程是從一個(gè)磁道到另一個(gè)磁道,一次只讀寫(xiě)一個(gè)磁道。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan