Lenovo PC 300GL Understanding Your Personal Computer 6267, 6277, 6287 - Page 65

small computer system interface SCSI, system board

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resource. Any of the computer-system elements needed to perform required operations, including storage, input/output devices, processors, data, and programs. riser card. A circuit card that connects to the system board and provides expansion slots for adding adapters. routine. A program, or part of a program, that may have some general or frequent use. S SCSI. Small computer system interface. seek time. The time required for the access arm of a direct access storage device to be positioned on the appropriate track. serial. Pertaining to the sequential or consecutive occurrence of two or more related activities in a single device or channel. serial port. An access point through which a computer transmits or receives data, one bit at a time. Contrast with parallel port. server. (1) A functional unit that provides shared services to workstations over a network. (2) In a network, a data station that provides facilities to other stations. 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. SMM. System management mode. 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-computer systems, the order that the computer uses to search the direct access storage devices for an operating system. storage. A functional unit into which data can be placed, in which it can be retained, and from which it can be retrieved. subsystem. A secondary or subordinate system, usually capable of operating independently of a controlling system, and usually having a single purpose, such as displaying video or reading from and writing to hard disks. A subsystem can be integrated into the system board or on an adapter. super video graphics array (SVGA). A video standard that supports high-resolution, 1024 x 768-pel graphic images. SVGA. Super video graphics array. symmetric multiprocessing. In personal computers, a multiprocessing design that enables two or more microprocessors to run concurrently and work independently, with each microprocessor capable of performing any task. system board. In a system unit, the main circuit board that supports a variety of basic system devices, such as a keyboard or a mouse, and provides other basic system functions. system management mode. A state controlled by the microprocessor that reduces the power consumed by components of the computer. system programs. In personal-computer systems, startup routines, such as POST and BIOS code, and utility programs that are used to configure, test, and update the computer. See also POST, BIOS, and utility program. system unit. In personal-computer systems, the part of the computer that contains the processor circuitry, read-only memory (ROM), random access memory (RAM), and the I/O channel. 57

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resource
.
Any of the computer-system elements
needed to perform required operations, including
storage, input/output devices, processors, data, and
programs.
riser card
.
A circuit card that connects to the
system board and provides expansion slots for
adding adapters.
routine
.
A program, or part of a program, that may
have some general or frequent use.
S
SCSI
.
Small computer system interface.
seek time
.
The time required for the access arm of
a direct access storage device to be positioned on the
appropriate track.
serial
.
Pertaining to the sequential or consecutive
occurrence of two or more related activities in a
single device or channel.
serial port
.
An access point through which a
computer transmits or receives data, one bit at a
time.
Contrast with parallel port.
server
.
(1)
A functional unit that provides shared
services to workstations over a network.
(2)
In a
network, a data station that provides facilities to
other stations.
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.
SMM
.
System management mode.
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-computer systems,
the order that the computer uses to search the direct
access storage devices for an operating system.
storage
.
A functional unit into which data can be
placed, in which it can be retained, and from which
it can be retrieved.
subsystem
.
A secondary or subordinate system,
usually capable of operating independently of a
controlling system, and usually having a single
purpose, such as displaying video or reading from
and writing to hard disks.
A subsystem can be
integrated into the system board or on an adapter.
super video graphics array (SVGA)
.
A video
standard that supports high-resolution, 1024 x
768-pel graphic images.
SVGA
.
Super video graphics array.
symmetric multiprocessing
.
In personal computers,
a multiprocessing design that enables two or more
microprocessors to run concurrently and work
independently, with each microprocessor capable of
performing any task.
system board
.
In a system unit, the main circuit
board that supports a variety of basic system
devices, such as a keyboard or a mouse, and
provides other basic system functions.
system management mode
.
A state controlled by
the microprocessor that reduces the power
consumed by components of the computer.
system programs
.
In personal-computer systems,
startup routines, such as POST and BIOS code, and
utility programs that are used to configure, test, and
update the computer.
See also POST, BIOS, and
utility program.
system unit
.
In personal-computer systems, the
part of the computer that contains the processor
circuitry, read-only memory (ROM), random access
memory (RAM), and the I/O channel.
57