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PC / Personal Computer
The first personal computer produced by IBM was called the PC, and increasingly the term PC came to mean IBM or IBM-compatible personal computers, to the exclusion of other types of personal computers, such as Macs. See also: Operating System, Windows, Mac, Linux and Computer
PDF (Portable Document Format)
This file format is oftem used for downloading forms or documents, where retaining the original layout is important. PDF format files may require installation of the Adobe Acrobat Reader before they can be viewed through your browser. mc² Training Manuals are available in PDF format - see mc² manuals for download
Peripheral
A computer device, such as a CD-ROM drive or printer, that is not part of the essential computer, i.e., the memory and microprocessor. Peripheral devices can be external - such as a mouse, keyboard, printer, monitor, modem, external drive or scanner - or internal, such as a DVD/CD drive or internal modem. External peripherals are often plugged into the computer via USB connectors.
Perl - Practical Extraction and Report Language
Perl is a programming language developed by Larry Wall, especially designed for processing text. The mc² program is written in Perl. For more on Perl see: Further Resources for Website Builders
Phishing
Phishing - a play on the word "fishing" - is an attempt to steal your password and
private account info. Phishers can set up fake web sites & emails that look like those of
trusted companies, to trick you into disclosing your user name and password so that they can gain access to your account. Once they gain access, they can use your personal information to commit
identity theft, charge your credit cards, empty your bank accounts, read your email,
and lock you out of your online account by changing your password. You should always check that the URL at the top of any webpage, or of any links in an email, are legitimate, before logging in. See also Microsoft article: Recognize phishing scams and fraudulent e-mails
Pixel
A pixel is a point of light on your computer screen or monitor. The screen resolution is a measure of how many pixels your screen is displaying. Image sizes are measured in pixels, e.g. this image is 15 pixels across: 
- see also: Images
Plug-in
A small software program that adds features such as multimedia & audio or video capability to another software program.
Another popular plug-in is Java, which allows you to run Java Applets on your computer.
Some plug-is are malicious - see Browser Helper Objects and Spyware & Adware Removal.
Podcast (iPod Broadcast)
Method of publishing files to the Internet, allowing users to subscribe to a feed and receive new files automatically by subscription, usually at no cost. It first became popular in late 2004, used largely for audio files.
POP - Post Office Protocol / Point of Presence
See also:
Privacy Policy
All mc² members are bound and protected by the mc² Privacy Policy. We won't share your information with third parties interested in emailing you promotional offers. As a general rule, mc² will not disclose any of your personally identifiable information except when we have your permission or under special circumstances, such as when we believe in good faith that the law requires it. All mc² email (and any files transmitted with it) is CONFIDENTIAL and intended only for members of the mc² group it is directly addressed to. Members must not refer to the contents outside the group, or forward on any part of the email to non-members. See the detailed mc² Privacy Policy
Program
A computer program is a set of instructions that tell a computer what to do, or how to behave. Software programs are generally either the basic systems software (that constitutes the operating system), or optional applications software that an end user loads to perform specific functions.
Project Partner (PP)
An mc² Project Partner is an organisation funded to recruit, establish and support a specific number of online groups at mc². See the Project Partner section to find out more. There is also a useful resource section for Existing Project Partners and a Project Partner Interactive Group
Protocol
An agreed-upon format for transmitting data between two devices. HTTP is one Internet protocol, FTP is another.
Proxy
A buffer between a user & the Internet which funnels all user's requests to the Internet & fans responses back out to the appropriate users.
eg. an HTTP proxy is used for Web access, so that the next request can be obtained locally,
saving time & money. You can override the proxy by adjusting your browser settings, or force the browser to display the latest page by using "refresh", or press the F5 function key. See also cache
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