CD facts for kids

Kids Encyclopedia Facts

CD can mean:

Compact disc, a way to store music and computer data
Certificate of deposit, a way of saving money at a bank
Conduct disorder, a mental disorder
CD means 400 in Roman numerals.
cd is a Unix command.

Images for kids

The pits in a CD are 500 nm wide, between 830 nm and 3,000 nm long and 150 nm deep.
Philips CDM210 CD Drive
Individual pits are visible on the micrometer scale.
700 MiB CD-R next to a mechanical pencil for scale

See also

In Spanish: Disco compacto para niños

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CD Facts for Kids. Kiddle Encyclopedia.