GLOSSARY
blocking Process of combining two or more records into a single block of data which can then be moved, operated upon, or stored, as a single unit by the computer.
block length Number of characters or bytes contained in a block of data (the block is treated as a unit within the computer). Block length is usually invariable within a system and may be specified in units such as records, words, computer words, or characters.
boot To load the initial instructions of a program into computer memory; these instructions then direct the loading of the rest of the program. Booting may require entry of a few commands at the keyboard or the flip of a switch to begin the process.
bps bits per second. In serial communication, the instantaneous bit speed with which a device or channel transmits a character.
BSC binary synchronous communication. 1. Communication using binary synchronous line discipline. 2. Uniform procedure using a standardized set of control characters and control character sequences for synchronous transmission of
buffer Compartment of memory in which this data is stored during transfer from one device to another. This is useful for accumulating data into blocks before storage or processing and for adjusting differences of speed between devices, or between a device and a communicating facility.
Bypass Transport Optional module that moves paper from the last stacker bin to a finishing device.
byte Fixed number of bits (in data processing, usually 8) operated upon as a unit. A byte may represent a character, a machine instruction, or some other logical unit of information.
carriage return Control character that causes the printing system to start printing at the left margin of the current line unless set to be interpreted as a line end.
channel 1. In data communications, a path or line that enables two or more devices to communicate (sometimes called a circuit, facility, or link).
2.In computers, a path for communication between the central processing unit (CPU) and input/output units, or between the CPU and peripheral devices.
character Single printable letter
character cell Digitized space containing a single character within a font set.
character code Code representing alphanumeric information, for example, ASCII.
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