G9 CS Optical Storage

Which among the choices is optical storage ?

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• Back to the future

Which among the choices is magnetic storage ?

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• Back to the future

Which among the choices is solid state storage ?

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• Back to the future

Optical storage devices use _____ to store and read data.

A _____ burns marks into the reflective surface of the disc.

The marks created on the reflective surface of the disc is called...

The gaps created on the reflective surface of the disc is called...

To write data, the disk spins and the laser burns that pit onto the reflective surface.

• True

• False

To read data, the laser is set to a lower power and shone on the disc. A light sensor reads the light that is reflected.

• True

• False

To write data, the disk spins and the laser burns that land onto the reflective surface.

• True

• False