電腦功課................................(明天交...急)

1. 由慢到快: dvd機,光碟機,硬碟機,主記憶體

2. 移動式硬碟

3. 1x or 1-speed gives a data transfer rate of 150 kilobytes per second in the most common data format; therefore, 60x means data can be transferred at 9,000 kilobytes per second

4. 依次為: CD-R(一次性碟片)最高寫入速度為50 倍, CD-RW(多次性碟片)最高寫入速度為24 倍, CD-ROM(普通碟片)最高讀取速度為50 倍