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Digital Signage Glossary

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P

PDF (Portable Document Format) - file format developed by Adobe Systems that is used to capture and deliver almost any kind of document, without changing the format or recreating the document in other applications. Usually used for long formats. Viewing a PDF file requires Acrobat Reader, which is built into most browsers and can be downloaded free from Adobe.

Platform - Often used to define the operating system your computer runs on (i.e., Windows, Macintosh, Linux), but platform can also refer to your computer hardware (i.e., Macintosh or PC).

Plug-in - A type of software that extends the capabilities of programs already on your computer. For instance, you probably require a plug-in to see certain types of animation or watch movies on your computer.

Portal - A Web site that serves as a starting point to other destinations or activities on the Web. In addition to the initial web site information sought, a portal often includes links to all types of information, not necessarily related to the portal's initial Web site subject. FRED SE and FRED NE use FREDNexus.com, a portal designed for web based administration of the software.

PowerPoint - Microsoft Office software that lets you create slide- and narration-enhanced business presentations. All FRED Digital Signage Software solutions support PowerPoint.

Protocol - An agreed upon established method for transmitting data between two devices over the Internet. Push - In client/server "push" refers to sending data to a client without the client requesting it. The most widely used push technology is e-mail, it is a push technology because you receive mail whether you ask for it or not, that is, the sender pushes the message to the receiver. In programming, "push" is to place a data item onto a stack. In the case of FRED NE Digital Signage software, the stack is a data area (or buffer) used for storing requests for content that need to be handled.