Glossary:

ATIS Telecom Glossary

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birthday phenomenon

The phenomenon stating that, for a category size of 365 (the number of days in a year), after only 23 people are gathered, the probability is greater than
0. 5 that at least two people have a common birthday (month and day).
Note: The birthday phenomenon applied to DES encryption means that where category size is 264, this same probability… (Read More →)

bistable

Pertaining to a device capable of assuming either one of two stable states.

bit

1. Abbreviation forbinary digit.
1. A character used to represent one of the two digits in the numeration system with a base of two, and only two, possible states of a physical entity or system.
2. In binary notation either of the characters 0 or
1.
3. A unit of information equal to one binary decision or the designation of… (Read More →)

bit density

The number of bits recorded per unit length, area, or volume.
Note: Bit density is the reciprocal of bit pitch. Synonym recording density.

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