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Hard disk units :
Direct access storage unit containing unmovable disks. The
hard disks are composed of metallic circular plates, covered
with a magnetic layer allowing data recording. They are sealed
in a box. Synonymous of "Fixed Disk".
Hayes compatible modem :
Modem using the Hayes command set.
Help :
System function allowing the user to obtain information about
the computer or the program being executed.
Hertz (Hz) :
Frequency unit internationally used. One Hz equals one cycle
per second.
Hewlett-Packard (HP) :
Hewlett-Packard Corporation, Palo Alto, California. Computer
manufacturer, second largest income in 1994. Rather
successful, mostly in the server and printer markets.
HP :
Hewlett-Packard Co., Palo Alto , Calif.
HP-UX :
Hewlett-Packard's System V-based Unix implementation, with
real-time extensions added.
hit :
As used in reference to the World Wide Web, ?hit? means a
single request from a web browser for a single item
from a web server; thus in order for a web browser to
display a page that contains 3 graphics, 4 ?hits? would occur
at the server: 1 for the HTML page, and one for each of
the 3 graphics.
Home Page : (or Homepage)
Several meanings. Originally, the web page that your
browser is set to use when it starts up. The more common
meaning refers to the main web page for a business,
organization, person or simply the main page out of a
collection of web pages, e.g. "Check out so-and-so's new Home
Page."
Host :
Any computer on a network that is a repository for
services available to other computers on the network.
It is quite common to have one host machine provide several
services, such as SMTP (email) and HTTP (web).
HSM :
Hierarchical Storage Manager. Software aiming at managing mass
storage data in order to let very active data reside on hard
disk, and to migrate less active data from/to less expensive
storage such as tape units.
HTML :
(HyperText Markup Language)
The coding language used to create Hypertext documents
for use on the World Wide Web. HTML looks a lot like
old-fashioned typesetting code, where you surround a block of
text with codes that indicate how it should appear.
The "hyper" in Hypertext comes from the fact that in HTML you
can specify that a block of text, or an image, is linked to
another file on the Internet. HTML files are meant to be
viewed using a "Web Browser".
HTML is loosely based on a more comprehensive system for
markup called SGML.
HTTP : (HyperText Transfer Protocol) The protocol for moving
hypertext files across the
Internet. Requires a HTTP client program on one
end, and an HTTP server program on the other end. HTTP
is the most important protocol used in the World Wide Web
(WWW).
Hub :
In a 10-Base T LAN topology
, passive
component connecting a group of stations, connected in
point-to-point mode to the Hub, to the LAN.
Hypertext :
Software technology used to create and store simple and
complex navigational paths across computerized data, thus
allowing through mouse click to navigate easily in the data.
Hz :
Hertz. A measure of electromagnetic frequency. One Hz equals
one cycle per second. |
