Glossary G-K
Gigabyte A
measurement of storage space. Equal to a thousand
megabytes.
GUI Graphical
user interface. Software designed to allow the user to execute
commands by pointing and clicking on icons or text. It's
pronounced 'Gooey'.
Hacker A
computer user who illegally visits networked computers to look
around or cause harm.
Hard disk A
high capacity storage device that a computer uses for programs
and data, measured in megabytes or gigabytes. Information held
on a hard disk is safe when the power is withdrawn.
Hits The
number of requests for files made to a Web server. A much
misunderstood term. It is not the number of unique visitors. A typical Web
page is made up of one HTML file, plus a number of
graphics. One request for this page results in several
hits.
Home page The
first page a user sees when visiting a World Wide Web site.
Host An
Internet company providing storage space for web sites on their
server computer(s). A hosting company
HTML
Hypertext Markup Language. The programming language of the
World Wide Web, HTML software turns a document into a
hyperlinked World Wide Web page.
HTTP HyperText
Transfer Protocol: The protocol used to provide hypertext links
between pages. It is the standard way of transferring HTML
documents between Web servers and browsers.
HTTPS HyperText Transfer Protocol
Secure - is used to secure Web sites by using encrypted traffic
to and from the user by means of Secure Socket Layer (SSL).
Hypertext/hyperlink A highlighted
word or graphic in a document that, when clicked upon, takes
the user to a related piece of information on the Internet.
When the cursor passes over a link, it usually changes from an
arrow to a pointing hand.
Icon A small
picture displayed on-screen to identify a command or file. Many
word-processors use an icon of a magnifying glass to indicate
it will start a search function.
Internet The
global network of networks that
connects more than three million computers (called hosts). The
Internet is the virtual space in which users send and receive
email, login to remote computers (telnet), browse databases of
information (gopher, World Wide Web, WAIS), and send and
receive programs (ftp) contained on these computers.
Intranet A
private internal
network based on TCP/IP, usually for the information
of staff within a business or an organisation.
Internet
server A computer that stores data that can
be accessed via the Internet normally provided by a hosting company.
ISP Internet
Service Provider. Any organization that provides access to the
Internet. Many ISPs also offer technical assistance to schools
looking to become Internet information providers by placing
their school's information online. They also help schools get
connected to the Net.
Internet
site A computer connected to the Internet
containing information that can be accessed using an Internet
navigation tool such as ftp, telnet, gopher, or a Web
browser.
IP
address Every computer on the Internet has a
unique numerical IP address assigned to it, such as
123.456.78.9.
J2EE
Java 2 Enterprise Edition.
Middleware written in Java used in critical, large-scale
networked developments, such as electronic banking.
Java A
programming language developed by Sun Microsystems used for
cross-platform Web-based applications. Its primary contribution
to the Web has been in the form of Java Server Pages (JSP),
J2EE and it is also used in 'applets' - mini-programs written
in Java that run in browsers.
JavaScript A
scripting language developed by Netscape that adds
interactivity to web pages. Its name reflects a shared syntax
with the Java programming language.
JPEG A
widely-used graphic file format. Acronym of the Joint
Photographic Experts Group. (It's pronounced 'Jay-peg'.)
JSP Java
Server Pages (JSP) - a scripting language based on Java for
developing dynamic Web pages and sites. It is typically used on
Solaris and Linux platforms.
Junk
email Email messages which are received, but
not asked for or even wanted.
Keyword A word
or words which can be searched for in documents or menus. Part
of search engine optimisation
A-F
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L-P
Q-Z
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