Often, the computer could not boot from optical discs.

It is a plastic case with an open right side so the optical disc can be slipped in.

Information about what kinds of optical discs the players can play.

This is why the D resembles an optical disc.

The disk used for this is an optical disc.

Extractions can be made to a hard disk or burned onto an optical disc.

Initially, optical discs were used to store music and computer software.

Here, files accessed are only sent back to the optical discs after they have been utilized.

Some operating systems allow these relaxations as well when reading optical discs.

Most people probably don't have software on optical disc.

I've never seen a horse, but in the old optical disks they carried people.

These machines translate photo images into data that can be "written" onto optical disks.

The laser is used in the device to read the optical disk.

And of course for the upgrade two years from now, when they bring on line the optical disks.

In the future, it is likely to be a desktop computer, drawing its images from a shiny, optical disk.

Yes, they never got the price down and the optical disks proved unreliable.

The optical disk is interesting but not yet standardized - that technology can change.

Until all software that people own on optical disks is deprecated.

The optical disks, which sell for about $50, are removable.

"The optical disk will bring a merger of audio and video."