• CD-ROM, created in 1985 by Sony and Philips.
  • It can store 720 MG of data
  • It is inexpensive.
  • The CD-ROM uses minute (small) plastic encapsulated disk which can store data.
  • The information on the CD-ROM is retrieved using a laser beam

 

 SPEED:

  • The CD-ROM can be classified by their rotational speed,for example:

1X  = 150 Kbytes/s

  2X = 300 Kbytes/s

 

CD-ROM

 

 

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Published by apphiabenjamin