Secondary storage device which used a delivery grooveless surface and is encoded by a laser beam in the form of microscopic pits is called

Secondary storage device which used a delivery grooveless surface and

1.	Secondary storage device which used a delivery grooveless surface and is encoded by a laser beam in the form of microscopic pits is called
A.	laser disk
B.	compact disk
C.	photo disk
D.	video disk
Answer» E.

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Secondary storage device which used a delivery grooveless surface and is encoded by a laser beam in the form of microscopic pits is called&nbsp;

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Secondary storage device which used a delivery grooveless surface and is encoded by a laser beam in the form of microscopic pits is called