
Glossary
This glossary includes terms and definitions from:baseband adapter addresses, X.25 addresses, and
ŸThe IBM Dictionary of Computing(New York; McGraw-Hill, Inc., 1994).
American National Standards Institute (ANSI) | . | An |
ŸThe American National Standard Dictionary fororganization consisting of producers, consumers, and
Information Systems, ANSI | copyrightgeneral interest |
| groups, | that | establishes | the | proc | |||||||||||||||||||||||||
1990 by the American National Standards | Institutebywhich | accredited | organizations | create | and | main | ||||||||||||||||||||||||||
(ANSI). Copies may be purchased from |
| the voluntaryAmer- | industry | standards | in | the | United | States. | ||||||||||||||||||||||||
ican | National | Standards | Institute, | 11 |
| West | 42nd |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||
Street, | New | York, | New | York | 10036. |
|
|
|
|
| analog . | (1) Pertaining | to | data | consisting of | contin- | ||||||||||||||||
Definitions | are |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||
identified | by | the | symbol | (A) | after |
| the | uously | variable | physical | quantities. (A) | (2) Contrast | ||||||||||||||||||||
| definition. |
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||
Ÿ The Information | Technology | Vocabulary, developed |
| withdigital. |
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||
by | Subcommittee | 1, | Joint | Technical | Committee | 1, | of |
| Standards | Institute | (ANSI) | . | An |
|
|
|
| |||||||||||||||
the | International | Organization |
| for |
|
|
|
| American | National |
|
|
|
| ||||||||||||||||||
| Standardization |
| consisting | of | producers, | consumers, | and | |||||||||||||||||||||||||
and | the | International | Electrotechnical |
|
|
| organization | |||||||||||||||||||||||||
Commission |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||
(ISO/IEC JTC1/SC1). Definitions |
| of |
|
|
|
|
| general interest groups, that establishes the proc | ||||||||||||||||||||||||
| published | parts | accredited | organizations | create | and | main | |||||||||||||||||||||||||
of | this | vocabulary | are | identified | by |
| by which | |||||||||||||||||||||||||
the | symbol (I) |
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| voluntary industry standards in the United States. | |||||||||||||||
after the definition; definitions taken from draft inter- |
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||||
national | standards, |
| committee | drafts, | and |
| working | . |
| The | routing | architecture | used | to | interc | |||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| AppleTalk |
| ||||||||||||||
papers | being developed | by | ISO/IEC | JTC1/SC1 | are |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| nect | Apple computers or workstations. AppleTalk |
|
| ||||||||||||
identified | by | the | symbol | (T) | after |
| the | definition, | indi- |
|
|
|
|
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| groups nodes (hosts) into physical networks corre- | |||||||||||||||
cating that | final | agreement | has | not | yet |
| been |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| sponding to local area network (LAN) segments or |
| ||||||||||||||
reached | among | the | participating | National | Bodies | of | LANs and | it allows | the | logical | grouping | of | ||||||||||||||||||||
SC1. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| bridged | |||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (regardless | of |
| network boundaries) into | AppleTalk |
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ŸThe Network Working Group Request for Com- zones. See alsoz ne. ments: 1208.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ARP . | Address | Resolution | Protocol. |
|
|
|
|
|
| ||||||||||
The | following | are | used | in this | glos- |
| Standard | Code | for | Information |
|
|
|
|
|
|
| |||||||||||||||||||||
sary: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ASCII | (American |
|
|
|
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Interchange) |
|
| . | The | standard | code, | using | a | coded | ch | |||||||||||
Contrast | with: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||||
This | refers | to a | term | that |
| has | an |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||
opposed | or | substantively | different | meaning. |
| acter set consisting of | ||||||||||||||||||||||||||||||||
| including parity check), that is used | for | informati | |||||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||
Synonym | for: |
|
| This | indicates | that | the | term |
|
| change | among | data processing | systems, | data | commu- |
| |||||||||||||||||||||
|
|
| has | the |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||
same | meaning | as | a preferred | term, | which |
| is | nication systems, and associated equipment. The |
|
| ||||||||||||||||||||||||||||
|
| defined |
| in |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||
its | proper | place | in | the | glossary. |
|
|
|
|
| ASCII set consists of control characters and graph | |||||||||||||||||||||||||||
Synonymous | with: |
| This | is |
| a | backward |
|
|
|
| characters. | (A) |
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||
|
| reference | from |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||
a defined term to all other terms | that |
|
|
| Note: | IBM |
| has | defined | an | extension | to | ASCII | code | ||||||||||||||||||||||||
| have | the | same |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||||
meaning. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (characters |
|
|
|
|
|
|
|
|
|
| ||||||||||
See: | This | refers | the | reader | to | terms | that |
|
| (AUI) . | In a | local | area |
|
| |||||||||||||||||||||||
have | the | same | last | word. |
|
|
|
|
|
|
|
| attachment | unit | interface |
|
| |||||||||||||||||||||
|
|
|
|
|
|
|
| network, the | interface between the medium attachme | |||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| unit | and | the |
| data | terminal | equipment | within | a | data | ||||||||||
See also: This refers the reader to terms that have a |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||||||
related, | but not | synonymous, | meaning. |
|
|
|
| station. | (I) |
| (A) |
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| AUI . | Attachment | unit | interface. |
|
|
|
|
|
|
| |||||||||
A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| . |
| Automatic | baud | rate | detection. | A | proce | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| by which a receiving device determines the speed | |||||||||||||||||||
ac . | Alternating | current. |
|
|
|
|
|
|
|
|
| level,and | stop |
| bits of incoming data by examining | t | ||||||||||||||||||||||
active |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| first | character, | usually | a | preselected | |||||||||||||||
. |
| (1) Operational. | (2) Pertaining | to | a |
| node | or |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||||||
device |
| that | is |
| connected | or | is | available |
| for | connection | to |
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||
another |
| node | or |
| device. |
|
|
|
|
|
|
|
|
| from a variety of transmitting devices operating at | |||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
| ferent speeds without needing to establish data r | |||||||||||||||||||||||||||
Address | Resolution | Protocol | (ARP) |
|
|
|
|
|
|
|
|
|
| advance. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
| . | A | protocol | that |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||
dynamically | maps | between | Internet |
| addresses, |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||
Copyright | IBM | Corp. | 1994, | 1998 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|