|
Term |
Definition |
| Access privileges |
The privileges to open and make changes to directories and their
contents; they are given to or withheld from users. A method of control of
access e.g. you can only read the data in "S:\lev resource\" whereas I can also
write to it! |
| ADN |
(Advanced Digital Network) -- Usually refers to a 56Kbps
leased-line. |
| ADSL |
See: DSL |
| analogue signal |
An analogue signal is one which carries information in the
waveform, that is, in the continuous variation of the signal with time. |
| Anonymous FTP |
A method of sharing files on the Internet. A variety of software
that can provide FTP function is available in most networking software
packages. Anonymous FTP simply means a computer will allow anyone using the FTP
software access to a special directory of files on its disk drive. |
| Applet |
A Java program which is designed to run only on a web page. |
| Archie |
A tool (software) for finding files stored on anonymous FTP sites.
You need to know the exact file name or a substring of it. |
| ARPANet see also Internet |
(Advanced Research Projects Agency Network) -- The precursor to the
Internet. Developed in the late 60’s and early 70’s by the US
Department of Defence as an experiment in wide-area-networking that would
survive a nuclear war. |
| ASCII |
(American Standard Code for Information Interchange) -- This is the
de facto world-wide standard for the code numbers used by computers to
represent all the upper and lower-case Latin letters, numbers, punctuation,
etc. There are 128 standard ASCII codes each of which can be represented by a 7
digit binary number: 0000000 through 1111111. |
| ATM |
Automated Telling Machine or cash machine |
| ATM |
Asynchronous Transfer Mode. Under ATM, multiple traffic types (such
as voice, video, or data) are conveyed in fixed-length cells (rather than the
random-length "packets" moved by technologies such as Ethernet and FDDI). This
enables very high speeds, making ATM popular for demanding network backbones.
With networking equipment that has recently become available, ATM will also
support WAN transmissions. This feature makes ATM valuable for large, dispersed
organizations |
| Audit controls |
network tracking software to identify the files that have been
opened, server access etc. |
| alphanumeric (an) |
Describes a character set that contains
alphabetic characters (letters), numeric digits (numbers), and other
characters, such as punctuation marks. |
| American National Standard (ANS) |
Designation conferred by the American National
Standards Institute (ANSI) upon standards submitted by ANSI-accredited
Standards Development Organizations (SDO). The ANS designation is awarded after
the opportunity for public review and comment, and a certification by the SDO
that due process was followed in the development of the standard. |
| ANSI |
Abbreviation for American National Standards
Institute. |
| ANSI standard |
A document authorized by ANSI that has been
approved through the consensus process of public announcement and review. Each
of these standards must have been developed by an ANSI accredited committee and
must be revisited by that committee within five years for update. |
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