IBM 847651U Handbook - Page 340

image on a display surface so that the image remains visible. a network, a data station that provides facilities to other stations. register. (1) An integrated circuit that contains 8, 16, or 32 storage locations, each of which can store 1 bit of binary data. See also binary. (2) An area that stores binary data while it is being processed by the computer. repeater. A device used to amplify or reshape signals. resolution. In video monitors, a measure of the sharpness of an image, expressed as the number of lines and columns on the monitor screen or the number of pels per unit of area. ROM. Read-only memory. S SCSI. Small computer system interface. segment. A section of cable between components or devices. A segment may consist of a single patch cable, several patch cables that are connected, or a combination of building cable and patch cables that are connected. SIMM. Single-inline memory module. slot. (1) A position in a device used for removable storage media. (2) One of several receptacles in the rear panel of the system unit into which a user can install an adapter. small computer system interface (SCSI). A standard input/output interface used by personal computers. SMP. symmetric multiprocessing. socket. A receptacle for a microchip. software. (1) All or part of the programs, procedures, rules, and associated documentation of a computer. Software is an intellectual creation that is independent of the medium on which it is recorded. (2) Contrast with hardware. startup sequence. In personal computers, the order that the computer uses to search the direct access storage devices for an operating system. serial port. An access point through which a computer transmits or receives data, one bit at a time. Contrast with parallel port. storage. A functional unit into which data can be placed, in which it can be retained, and from which it can be retrieved. server. (1) A functional unit that provides shared services to workstations over a network. (2) In straight-through cable. A type of 10BASE-T cable in which the transmit and receive data pairs are 306 Netfinity 3000 User's Handbook