CD-ROM - Compact Disk Read Only Memory

CD-ROM - Compact Disk Read Only Memory, CD-ROM - Compact Disk Read Only Memory,

CD-ROM stands for 'Compact Disk Read Only Memory'. Because of the optical storage medium, laser beam is used to access data from the disk. It can store about 700MB of data, 80 minutes of video or audio. So, CD-ROM technology is very useful for distributing large amount of data like computer software, movies, audio or video songs at low cost to large number of users. CD-ROM cannot be written after they are pressed. So, the users cannot write new data or modify the existing data to the CD-ROMs.

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