Laser Technology
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soft ware technology
NO we have these new things called cd's aka compact disks
They are used for reading data stored onto compact disks like music, photos, documents, and programs.
The CD was invented in 1982 by James russel.
The 2007 physics prize was awarded for the technology that is used to read data on hard disks (giant magnetoresistance).
Yes, Sony invented the specifications for Compact Discs and these are applied as a standard worldwide.
CD (Compact Disks) DVD (Digital Versatile Disks) Blu-Ray optical disk
Before 1975. Check with PHILLIPS the originator of CDs
obsolete technology
The CD trademark/copyright logo belongs to Phillips Electronics and Sony. They require that the logo and others be placed on all compact discs.
The first generation of compact disc technology was introduced in 1989.