Computer Hardware Terms, Glossary and Dictionary

Fiber optics is the thin filaments of glass through which light beams are transmitted over long distances and which can carry enormous amounts of data. A fiber optic cable consists of a bundle of glass threads, each of which is capable of transmitting messages modulated onto light waves. Modulating light on thin strands of glass produces major benefits in high bandwidth, relatively low cost, low power consumption, small space needs, total insensitivity to electromagnetic interference, and great insensitivity to being bugged.

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fiber optics