IBM 4846-545 Service Guide - Page 189

typematic.

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system configuration. A process that specifies the devices and programs that form a particular data processing system. system unit. (1) A part of a computer that contains the processing unit and may contain devices such as disk and diskette drives. (2) In an IBM Personal Computer, the unit that contains the processor circuitry, read-only memory (ROM), random access memory (RAM), and the I/O channel. It may have one or more disk or diskette drives. (3) In an IBM Store System terminal, the part of the terminal that contains the processing unit, ROM, RAM, disk and diskette drives, and the I/O channel. T terminal. In data communication, a device, usually equipped with a keyboard and a display, that is capable of sending and receiving information. till. A tray in the cash drawer of the point-of-sale terminal, used to keep the different denominations of bills and coins separated and easily accessible. transmit. To send information from one place for reception elsewhere. (A) twisted pair. A transmission medium that consists of two insulated electrical conductors twisted together. (A) typematic. The ability of a key on a keyboard to repeatedly type a character as long as it is held down. U Universal Serial Bus (USB). A serial interface standard for telephony and multimedia connections to personal computers. Universal Serial Bus (USB), powered. A powered-USB connector provides additional power from the host system. A powered-USB receptacle consists of two connectors stacked vertically inside the common housing. The upper connector contains four contacts that are used for powering the attached device. unshielded twisted pair (UTP). One or more twisted pairs of copper wire in the unshielded voice-grade cable commonly used to connect a telephone to its wall jack. user. (1) A category of identification defined for file access protection. (2) A person using a program or system. USB. See Universal Serial Bus. V version . A separately licensed program that usually has significant new code or new function. vital product data (VPD). Information about the computer, such as machine type and model or serial number, stored in the BIOS. volatile memory. Memory that loses its contents when power is turned off. VPD. See vital product data. Glossary 167

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system
configuration.
A
process
that
specifies
the
devices
and
programs
that
form
a
particular
data
processing
system.
system
unit.
(1)
A
part
of
a
computer
that
contains
the
processing
unit
and
may
contain
devices
such
as
disk
and
diskette
drives.
(2)
In
an
IBM
Personal
Computer,
the
unit
that
contains
the
processor
circuitry,
read-only
memory
(ROM),
random
access
memory
(RAM),
and
the
I/O
channel.
It
may
have
one
or
more
disk
or
diskette
drives.
(3)
In
an
IBM
Store
System
terminal,
the
part
of
the
terminal
that
contains
the
processing
unit,
ROM,
RAM,
disk
and
diskette
drives,
and
the
I/O
channel.
T
terminal.
In
data
communication,
a
device,
usually
equipped
with
a
keyboard
and
a
display,
that
is
capable
of
sending
and
receiving
information.
till.
A
tray
in
the
cash
drawer
of
the
point-of-sale
terminal,
used
to
keep
the
different
denominations
of
bills
and
coins
separated
and
easily
accessible.
transmit.
To
send
information
from
one
place
for
reception
elsewhere.
(A)
twisted
pair.
A
transmission
medium
that
consists
of
two
insulated
electrical
conductors
twisted
together.
(A)
typematic.
The
ability
of
a
key
on
a
keyboard
to
repeatedly
type
a
character
as
long
as
it
is
held
down.
U
Universal
Serial
Bus
(USB).
A
serial
interface
standard
for
telephony
and
multimedia
connections
to
personal
computers.
Universal
Serial
Bus
(USB),
powered.
A
powered-USB
connector
provides
additional
power
from
the
host
system.
A
powered-USB
receptacle
consists
of
two
connectors
stacked
vertically
inside
the
common
housing.
The
upper
connector
contains
four
contacts
that
are
used
for
powering
the
attached
device.
unshielded
twisted
pair
(UTP).
One
or
more
twisted
pairs
of
copper
wire
in
the
unshielded
voice-grade
cable
commonly
used
to
connect
a
telephone
to
its
wall
jack.
user.
(1)
A
category
of
identification
defined
for
file
access
protection.
(2)
A
person
using
a
program
or
system.
USB.
See
Universal
Serial
Bus
.
V
version
.
A
separately
licensed
program
that
usually
has
significant
new
code
or
new
function.
vital
product
data
(VPD).
Information
about
the
computer,
such
as
machine
type
and
model
or
serial
number,
stored
in
the
BIOS.
volatile
memory.
Memory
that
loses
its
contents
when
power
is
turned
off.
VPD.
See
vital
product
data
.
Glossary
167