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Dictionary of Computers - CD-R
CD-R
Compact disc on which data can be recorded (compare with CD-ROM).
The blank disc has a very fine groove that forms a large spiral, starting from the centre of the disc and finishing on the edge. Visible to the laser at the bottom of this groove is a layer of organic dye. During the recording process the laser switches to a higher power and 'burns' a mark in the dye. These marks in the dye are like the pits found on CD-ROM discs, and can be read by the laser operating at a lower power.
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Haiti Flag
Blue represents the black population and links with Africa. Red stands for those of mixed race. The original blue and red flag was based on the French tricolour. Effective date: 25 February 1986.
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