IBM 865741Y Handbook - Page 262

also EEPROM, EPROM, and PROM.

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storage while the data is being operated on. processing unit. (1) A functional unit that consists of one or more processors and their internal storages. (I) (A) (2) See processor. processor. A functional unit that interprets and executes instructions. A processor consists of at least an instruction control unit and an arithmetic and logic unit. (T) See microprocessor and central processing unit. storage device into which data is written and from which data is read in a nonsequential manner. RAS. Reliability, availability, and serviceability. read. To acquire or interpret data from a storage device, from a data medium, or from another source. read-only memory (ROM). Memory in which stored data cannot be modified by the user except under special conditions. See also EEPROM, EPROM, and PROM. program. (1) A sequence of instructions that a computer can interpret and execute. (2) To design, write, modify, and test computer programs. (I) (A) programmable read-only memory (PROM). A storage device that, after being written to once, becomes read-only memory. (T) (A) prompt. A visual or audible message sent by a program to request the user's response. (T) PUN. Physical unit number. R RAID. Redundant array of independent disks. RAM. Random access memory. random access memory (RAM). (1) A storage device in which data can be written and read. (2) A record. (1) A set of data treated as a unit. (2) A set of one or more related data items grouped for processing. refresh. (1) To recharge a memory location in volatile memory with an electric current so that it retains a state or binary value. (2) In computer graphics, the process of repeatedly producing a display image on a display surface so that the image remains visible. 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 244 Netfinity 3500 User's Handbook

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storage while the data is being
operated on.
processing unit
.
(1)
A functional
unit that consists of one or more
processors and their internal
storages.
(I)
(A)
(2) See
processor.
processor
.
A functional unit that
interprets and executes instructions.
A processor consists of at least an
instruction control unit and an
arithmetic and logic unit.
(T) See
microprocessor and central
processing unit.
program
.
(1)
A sequence of
instructions that a computer can
interpret and execute.
(2) To
design, write, modify, and test
computer programs. (I) (A)
programmable read-only memory
(PROM)
.
A storage device that,
after being written to once, becomes
read-only memory. (T) (A)
prompt
.
A visual or audible
message sent by a program to
request the user's response.
(T)
PUN
.
Physical unit number.
R
RAID
.
Redundant array of
independent disks.
RAM
.
Random access memory.
random access memory (RAM)
.
(1)
A storage device in which data
can be written and read.
(2) A
storage device into which data is
written and from which data is read
in a nonsequential manner.
RAS
.
Reliability, availability, and
serviceability.
read
.
To acquire or interpret data
from a storage device, from a data
medium, or from another source.
read-only memory (ROM)
.
Memory in which stored data
cannot be modified by the user
except under special conditions.
See
also EEPROM, EPROM, and PROM.
record
.
(1)
A set of data treated as
a unit.
(2)
A set of one or more
related data items grouped for
processing.
refresh
.
(1)
To recharge a memory
location in volatile memory with an
electric current so that it retains a
state or binary value.
(2) In
computer graphics, the process of
repeatedly producing a display
image on a display surface so that
the image remains visible.
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
244
Netfinity 3500 User's Handbook