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COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Bit

A single unit of data, either a one or a zero, used in digital data communications. When discussing digital data, a lowercase "b" refers to bits, and an uppercase "B" refers to bytes. Eight bits are needed to create one byte or character.

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