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An online web service that provides server space for individuals to store data, photos, videos and other files. Many service providers offer a limited amount of personal cloud storage space for free.
Personal Communications Service (PCS)
A wireless phone service similar to cellular telephone service but emphasizing personal service and extended mobility. PCS is for mobile users and requires a number of antennas to blanket an area of coverage.
A general-purpose computer useful for individuals which is intended to be operated directly by an end-user with no intervening computer operator. It may be in a form of a desktop computer, laptop, tablet, or a handheld PC.
Personal Computer - Disk Operating System (PC-DOS)
The first widely-installed operating system used in personal computers. PC-DOS was (and still is) a non-graphical line-oriented command-driven operating system, with a relatively simple interface but not overly "friendly" user interface.
Personal Digital Assistant (PDA)
A term for any small mobile hand-held device that provides computing and information storage and retrieval capabilities for personal or business use, often for keeping schedule calendars and address book information handy.
Personal firewall (Desktop firewall)
A software application used to protect a single Internet-connected computer from intruders. It is especially useful for users with "always-on" connections such as DSL or cable modem.
Personal Video Recorder (PVR)
An interactive TV recording device in a form of a set-top box. Vendors and media also refer to the units by these names: digital video recorder (DVR); personal TV receiver (PTR); personal video station (PVS); and hard disk recorder (HDR).
Personal Web Server (PWS)
Microsoft's version of a Web server program for individual PC users who want to share Web pages and other files from their hard drive. PWS can be used with a full-time Internet connection to serve Web pages for a Web site with limited traffic.
Personality Profile
A knowledge management tool used to provide an evaluation of an employee's personal attributes, values and life skills in an effort to maximize his or her job performance and contribution to the company.
PersonalJava
Now considered a Sun legacy product, PersonalJava is or was a software development platform for creating network-capable applications for various consumer devices for office, home, and mobile use.
PERT (Program Evaluation Review Technique) PERT
A project management tool used to schedule, organize, and coordinate tasks within a project. A PERT chart presents a graphic illustration of a project as a network diagram consisting of numbered nodes representing evens.
pfSense is a free, open source customized software that can be used as a firewall and router that is entirely managed via web interface. In addition to being a powerful, flexible firewalling and routing platform, it includes a long list of related features and a package system allowing further expandability without adding bloat and potential security vulnerabilities to the base distribution.