Xerox 180 IPS manual GLOSSARY-3

GLOSSARY

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 (unless set to be interpreted as a line end) causes the printing system to start printing at the left margin of the current line.

case–sensitiveTreating lowercase and uppercase characters differently.

central processing unit (CPU) Interprets and executes instructions, performs all operations and calculations, and controls input and output units and auxiliary attachments.

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 (A-Z), numeral (0-9), symbol (& % #), or punctuation mark (, . ! ?) used to represent data. Characters can also be nonprinting, such as space, tab, or carriage return.

character cell Digitized space containing a single character within a font set.

character code Code representing alphanumeric information, for example, ASCII.

character set Number of different characters used by a particular device, including alphabetic, numeric, and special characters such as symbols.

characters per inch (cpi) Designates the number of characters per inch for a particular typeface. Refer to pitch.

client software Software that manages the submission of print jobs to the Printer Controller.

client workstation Workstation connected to the network used to create print jobs (documents) and submit them to the Printer Controller.

command Statement entered that instructs the system to perform an operation.

communication line Telecommunication line connecting devices at one location with devices at other locations in order to transmit and receive information.

communication link Physical means (i.e., data link) connecting one location to another to transmit and receive information.

XEROX DOCUPRINT 96/4635/180 IPS INSTALLATION PLANNING GUIDE GLOSSARY-3