📜  CD-R和CD-RW之间的区别

📅  最后修改于: 2021-06-28 16:04:06             🧑  作者: Mango

1. CD-R(光盘-可记录):
CD-R是空白CD,其中数据可以存储一次。存储数据后,将其转换为CD-ROM。它由反射性的金属圆盘制成,顶部有绿色或不透明的染料层。与CD-RW和CD-ROM相比,它更便宜。在CD-R中,数据不能被覆盖。 CD-R的优点在于,任何版本的CD播放器,无论是旧版本还是较新版本,都可以轻松读取CD-R。

2. CD-RW(光盘-可写):
CD-RW是一种可以擦除的CD,可以多次使用。它是由反射金属盘制成,顶部有一层特殊金属。它是所有类型中最便宜的CD。它比CD-R和CD-ROM都昂贵。 CD-RW的缺点是大多数旧版本的CD播放器无法读取它。在某些属性中,它与CD-RW也有一些相似之处。

CD-R和CD-RW之间的区别:

CD-R CD-RW
It is made of reflective metal disk with layer of dye on top. It is also made of reflective metal disk but it has special metal on top.
Data can be stored only once in CD-R. Data can be stored multiple times in it.
It can not be erased. It can be erased.
After storing data, it is converted into CD-ROM. Even after storing data, it is CD-RW itself.
It is cheaper than CD-RW. It is costly among all CD types.
Data can not be written over in CD-R. Data can be changed after writing in it.
CD-R is more compatible. CD-RW is less compatible.
It is effective for long term back-ups. It is the best for data transferring.
All CD players i.e. older and newer can read CD-R. Older CD players can not read CD-RW.