Public Switched Telephone Network (PSTN)
Short for Public Switched Telephone Network, which refers to the international telephone system based on copper wires carrying analog voice data. This is in contrast to newer telephone networks base on digital technologies, such as ISDN and FDDI.
Telephone service carried by the PSTN is often called plain old telephone service (POTS).
- PS/2 port
A type of port developed by IBM for connecting a mouse or keyboard to a PC. The PS/2 port supports a mini DIN plug containing just 6 pins. Most PCs have a PS/2 port so that the serial port can be used by another device, such as a modem. The PS/2 port is often called […]
Short for Payment Transaction Application Layer, an open standard developed in part by CommerceNet that allows merchants to accept any type of electronic payment over the Internet.
Short for Ping the Semantic Web, PTSW is a repository for RDF documents and tracks the creation and modification of RDF based data sources for the Semantic Web.
- PTT Menu
Short for Part of The Title Menu. Same as chapter menu.
- PTT open group
PTT service term. Subscribers can create what is commonly called a public or open group, which can be made available for any PTT user to join.