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Glossary
resources: (1) Any part of a computer system or network that can be
allocated to a program. Examples are printers and disk drives. (2)
Data channels and storage areas that can be allocated to devices.
Examples of these system resources are memory, interrupt request
(IRQ) lines, direct memory access (DMA) channels, and port
addresses. On the server, you use the Toshiba System Setup Utility
to configure system resources.
riser card: An expansion card that is used to physically extend a slot for a
chip or card in a fully loaded computer to make room to plug it in. It
may also refer to a card that contains several slots used in low-
profile, space-saving cabinets. The cards are plugged into the riser
card and reside parallel with the motherboard.
RJ-11 (Registered Jack-11): A modular telephone connector used on
most telephone networks and direct-connect modems.
RJ-45 (Registered Jack-45): A telephone connector that holds up to eight
wires. RJ-45 plugs and sockets are used in 10BaseT Ethernet and
Token Ring Type 1 devices.
root directory: The directory on a disk at the "top" of the directory (or
folder) structure. All subdirectories (folders) on the disk connect
directly or indirectly to the root directory. In MS-DOS, the root
directory on drive C is referred to as C:\.
router: A device that routes data packets from one local area network
(LAN) or wide area network (WAN) to another.
RS232-C: The standard defining control, data, and status signals for
cables allowing asynchronous communication with computers,
printers, and other peripheral devices.
S
SCSI channel: A standard communications protocol for external and
internal device expansion, such as hard drives, tape drives, and CD-
ROM drives.
SCSI ID: A unique identifier assigned to each SCSI device connected to
a SCSI bus. The ID number defines the device address and
determines the device priority on the bus. ID 7 (SCSI controller) is
the highest priority; ID 0 is the lowest.
select: To highlight text or display handles around graphics.
serial: The handling of data bits one after the other.
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