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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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.

American Standard Code for Information Interchange (ASCII)

Code that assigns specific letters, numbers, and control codes to the 256 different combinations of data (zeros and ones) in a byte.

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