Batch counter Registers the number of signals released at the main output. In counters with automatic repetition, the number of repeated cycles is counted. (See also operating mode)
Baud rate Rate of data transfer (bits per second).
BCD Binary-coded decimal; binary representation of a decimal number.
Binary Two logical states (yes/no); the basis of binary data-processing systems.
Binary code Code using binary numbering; often used for absolute measuring systems.
Bistable signal Output signal; is present until reset conditions (e.g. reset signal) are met.
Bit Abbreviation for "binary digit"; the smallest unit of information of a binary system, whose value can be 1 or 0 (yes-or-no decision).
Bus System for communication between several devices via a data line (see interface)
Bus cycle Time needed for polling every bus slave by the bus master.
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