IBM 4764, Руководство по установке

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Glossary
This glossary includes some terms and definitions
from the IBM Dictionary of Computing , New York:
McGraw Hill, 1994. This glossary also includes
some terms and definitions from:
v The American National Standard Dictionary for
Information Systems , ANSI X3.172-1990,
copyright 1990 by the American National
Standards Institute (ANSI). Copies may be
purchased from the American National
Standards Institute, 11 West 42 Street, New
York, New York 10036. Definitions are identified
by the symbol (A) following the definition.
v
The Information Technology Vocabulary ,
developed by Subcommittee 1, Joint Technical
Committee 1, of the International Organization
for Standardization and the International
Electrotechnical Commission (ISO/IEC
JTC1/SC1). Definitions of published parts of this
vocabulary are identified by the symbol (I)
following the definition; definitions taken from
draft international standards, committee drafts,
and working papers being developed by
ISO/IEC JTC1/SC1 are identified by the symbol
(T) after the definition, indicating that final
agreement has not yet been reached among
the participating National Bodies of SC1.
A
American National Standard Code for Information
Interchange (ASCII). The standard code, using a
coded character set consisting of 7-bit characters (8 bits
including parity check), that is used for information
interchange among data processing systems, data
communication systems, and associated equipment.
The ASCII set consists of control characters and graphic
characters. (A)
American National Standards Institute (ANSI). An
organization consisting of producers, consumers, and
general interest groups that establishes the procedures
by which accredited organizations create and maintain
voluntary industry standards in the United States. (A)
B
bus. In a processor, a physical facility along which
data is transferred.
C
card. An electronic circuit board that is plugged into a
slot in a system unit. A plug-in circuit assembly.
coprocessor. A supplementary processor that
performs operations in conjunction with another
processor. A microprocessor on an expansion card that
extends the address range of the processor in the host
system or adds specialized instructions to handle a
particular category of operations; for example, an I/O
coprocessor, math coprocessor, or networking
coprocessor.
cryptography. The transformation of data to conceal
its meaning. In computer security, the principles, means
and methods used to so transform data.
D
Data Encryption Standard (DES). In computer
security, the National Institute of Standards and
Technology (NIST) Data Encryption Standard, adopted
by the U.S. government as Federal Information
Processing Standard (FIPS) Publication 46, which
allows only hardware implementations of the
data-encryption algorithm.
driver. A program that contains the code needed to
attach and use a device.
E
electrostatic discharge (ESD). An undesirable
discharge of static electricity that can damage
equipment and degrade electrical circuitry.
erasable programmable read-only memory
(EPROM). A PROM that can be erased by a special
process and then reused. (T)
expansion card. A circuit board that a user can install
in an expansion slot to add memory or special features
to a computer. Synonym for card .
expansion slot. One of several receptacles in a
personal computer or RS/6000
®
machine into which a
user can install an expansion card.
F
feature. Part of an IBM product able to be ordered
separately.
Federal Communications Commission (FCC). A
board of commissioners, appointed by the President
under the Communications Act of 1934, having the
power to regulate all interstate and foreign
communications in the United States that are
transmitted by wire or radio.
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