P - Web Design & Internet Jargon Buster
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Palmtop - A palmtop (or PDA, personal digital assistant) is basically a computer in the form of an electronic organiser. They are becoming increasingly powerful and can be used as an alternative to laptops, though their keyboards and displays are much smaller.
Password - A string of digits or characters providing confidential authentication information.
Payment Gateway - A system that provides online e-commerce facilities to merchants on the Internet that links directly into a bank's financial system.
PC - Personal computer.
PCN (personal communications network) - A digital network technology operated by some of the mobile phone operators.
PDA - See palmtop.
Peer-to-peer (P2P) - One of the simplest network arrangements, involving linking a series of computers together without the use of a server.
Peripheral - A peripheral is anything that is not part of the main computer unit, such as the keyboard, monitor or printer.
PERL ( Practical Extraction and Reporting Language) - A popular language for web scripting (used to create web pages and web sites). Although Perl can be used on any system, it is usually associated with Unix/Linux.
PHP (Hypertext Preprocessor) - A popular scripting language supported by Unix/Linux and Windows systems.
Plug and play - A Windows option that allows multimedia peripherals, such as a CD-ROM drive, to be automatically recognised and set up by the operating system.
Portal - A web site that is used to get to another site and a range of services. Scottish-Enterprise.com is a portal site.
POP - It is important, when use a dial-up connection to the Internet, that you do so though a local Point-of-Presence (POP). This means that all your connections are charged as local rate calls. If you had to call long-distance, your phone bill would soon mount up. Most internet providers now charge a flat monthly fee and waive call charges (within limits).
Portal - A website that acts as a comprehensive information source covering a specific sector or subject, and which is used to get to another site and a range of services. Scottish-Enterprise.com is a portal site.
Proxy server - An intermediary application that sits between a client and a server, and which stores and forwards requests and information. Often used in conjunction with a firewall to monitor Internet traffic and activity.
Proprietary - A proprietary operating system is one that can only be used on one brand of computer and uses software especially written for that system, for instance Apple OS can only be used on Apple Macintosh computers.
Protocol - The set of rules governing the format and control of messages being sent around a network.
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