A file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else. PDF files are created using Adobe Acrobat , Acrobat Capture, or similar products. 

A file format for image compression that, in time, is expected to replace the Graphics Interchange Format (GIF) that is widely used on today's Internet. Typically, an image in a PNG file can be 10 to 30% more compressed than in a GIF format.

A set of standard operating system interfaces based on the Unix operating system. Informally, each standard in the POSIX set is defined by a decimal following the POSIX.

An application of the Extensible Markup Language (XML), describes the characteristics of a product that is used to create a portal Web site. 

Portfolio management is the centralized management of one or more portfolios, which includes identifying, prioritizing, authorizing, managing, and controlling projects, programs and other related work to achieve specific strategic business objectives

Poser is a 3D computer graphics program optimized for 3D modeling of human figures. The program has gained popularity due to allowing beginners to produce basic animations and digital images, and the extensive availability of third-party digital models.

The most recent version of a standard protocol for receiving e-mail. POP3 is a client/server protocol in which e-mail is received and held by the Internet server. 

A mechanical device used to create and apply physical evidence of postage (or franking) to mailed matter. Postage meters are regulated by a country's postal authority.

Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail, intended as an alternative to the widely used Sendmail MTA. As an SMTP server, Postfix implements a first layer of defense against spambots and malware. Administrators can combine Postfix with other software that provides spam/virus filtering, message-store access, or complex SMTP-level access-policies. As an SMTP client, Postfix implements a high-performance parallelized mail-delivery engine. Postfix is often combined with mailing-list software.

An open source relational database management system (DBMS) developed by a worldwide team of volunteers. PostgreSQL is not controlled by any corporation or other private entity and the source code is available free of charge.

A file that describes the fonts, paper sizes, resolution, and other capabilities that are standard for a particular Postscript printer. A printer driver program uses a PPD file to understand the capabilities of a particular printer.

PostSharp is a tool for Microsoft .Net developers, that allows development teams to achieve more with less code. With the help PostSharp a software developer can write stable, efficient, concise and clean code. PostSharp inserts itself in the build process and enhances or validates the output of the C# or VB compiler.

A power bank is essentially an external battery in a sealed case. Powerbanks come with a USB cable; you connect it to a power source such as a laptop to charge the powerbank.

Power BI is a cloud-based service that works with Excel to provide a complete self-service business intelligence (BI) solution. With both Excel and Power BI for Office 365, you can give everyone in your organization a powerful new way to work with data.

A device for controlling electrical power. The most basic PDU is a large power strip without surge protection. It is designed to provide standard electrical outlets for data center equipment and has no monitoring or remote access capabilities. 

Power Map is a new 3D visualization add-in for Excel for mapping, exploring, and interacting with geographical and temporal data, enabling people to discover and share new insights.