Jargon Buster M-R
Megabyte = 1,048,576 bytes. A unit of computer memory, data
storage capacity, or data
Modulator, DEModulator. A device you connect to your computer
and phone line that enables your computer to communicate with other
computers through the phone system. Modems convert the computer's
digital signals into analog waves that can be transmitted over
standard voice telephone lines. Modem speeds are measured in bits
per second (bps) or Kilobits (Kbps), or thousands of bits, per
Two or more computers that are connected together to share
resources such as hardware, data, and software. Most common are the
local area network (LAN) and the wide area network (WAN).
Object Database Connectivity (ODBC) support allows ODBC
compliant applications to connect to an ODBC database and extract
data without requiring that the user have programming skills. For
example, Microsoft Excel, Microsoft Access, and mySQL are ODBC
compliant applications. Using ODBC and mySQL a user can import data
directly into an Excel spreadsheet once mySQL ODBC drivers have
been installed on the user's computer.
OPEX or Opex (Operating expenditures)
An on-going cost for running a product, business, or system. Its
counterpart, a capital expenditure (CAPEX), is the cost of
developing or providing non-consumable parts for the product or
Data is generally transmitted within networks in the form of
data packets. These packets contain the Header,
the actual data (user data) and redundant data (CRC)
for error correction on the receiving end.
A document, or collection of information, available by way of
the World Wide Web. To make information available over the WWW, you
organize it into pages. A page may contain text, graphics, video,
and/or sound files.
Personal Computer. In recent years, the term 'PC' is used most
often to describe personal computers based on an Intel or
Practical Extraction and Report Language. Perl is a server-side,
interpreted language that provides much of the web's
Pretty Good Privacy. An encryption program that allows users to
exchange files and messages, with both privacy and authentication,
over all types of networks. The messages are unreadable unless the
receiver has an encryption key.
A server-side, HTML-embedded, open source scripting language
used to create dynamic webpages. For more information: http://php.net/.
A TCP/IP service that lets you check that you can reach another
network node from your local host.
A site designed to act as an entryway to the World Wide Web.
Pay Per Click. - This is a marketing campaign that is specific
to search engines where you pay to advertise on the right hand side
of the search for key terms. e.g. When a customer types in a key
word then our ad appears in the search. If the customer clicks the
ad then we pay the search engine for 'referring' the customers to
The process of disseminating information throughout a system.
Example 1 - After you register a new Internet domain name, the
information is propagated across the Internet when local DNS
servers update their databases from a central file. Note: Not all
local DNS databases are updated with the same frequency (hourly,
daily, every other day, etc.). Example 2 - Password changes often
must be made on several different servers and will not complete
propagation until all affected servers update their databases.
Updating (rehashing) a given server's database is usually an
automated process that is performed at specific intervals.
A set of rules that regulate the way data is transmitted between
computers over a network.