[ 電腦知識 ] CD ROM 讀取 1x (1倍速)，資料傳輸量

If a CD-ROM is read at the same rotational speed as an audio CD, the data transfer rate is 150 KiB/s, commonly referred to as "1×". At this data rate, the track moves along under the laser spot at about 1.2 m/s. To maintain this linear velocity as the optical head moves to different positions, the angular velocity is varied from 500 rpm at the inner edge to 200 rpm at the outer edge. 


As of 2004, the fastest transfer rate commonly available is about 52× or 10,400 rpm and 7.62 MiB/s


CD - ROM 讀取速度 : 1x (1倍速) : 150K Bytes / 每秒
52x 可達到 7620 K Bytes / 每秒 = 7.62 M Bytes / 每秒


資料來源 Wiki: 
http://en.wikipedia.org/wiki/CD-ROMhttp://en.wikipedia.org/wiki/CD-ROM