What is a CD-ROM?

 
  • CD-ROM stands for Compact Disc Read Only Memory. It is an optical ROM, which enables prerecorded data to be read. A laser beam is used to read from CD. 
  • CD-ROM disk is a rigid plastic disk covered with a layer of reflecting material such as aluminium. It stores a large amount of data through the use of laser optics technology and are popular for storing databases and multimedia materials. The most common format of CD-ROM holds approximately 650 megabyte of data.

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