PIX Firewall
Short for Private Internet Exchange Firewall, a firewall protection technology developed by Cisco Systems.
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- PKI
Short for public key infrastructure, a system of digital certificates, Certificate Authorities, and other registration authorities that verify and authenticate the validity of each party involved in an Internet transaction. PKIs are currently evolving and there is no single PKI nor even a single agreed-upon standard for setting up a PKI. However, nearly everyone agrees […]
- PKZIP
One of the most widely used file compression methods. PKZIP was developed by PKWARE, Inc. in 1989 and distributed as shareware. Files that have been compressed using PKWARE are said to be zipped. Decompressing them is called unzipping. The PK stands for Phillip Katz, the author of the programs.
- PLC
(1) Short for power line communications, the use of the existing utility power grid as the medium to send broadband data communications. In theory, plugging a computer device into an existing power outlet would connect the user to the Internet by tapping into already established national and global power grid networks. Power grids typically transmit […]
- PLD
Short for programmable logic device, a generic term for an integrated circuit that can be programmed in a laboratory to perform complex functions. A PLD consists of arrays of AND and OR gates. A system designer implements a logic design with a device programmer that blows fuses on the PLD to control gate operation. System […]
- PLED
Short for polymer, or polymeric, light-emitting diode, a backlighting, illumination and display technology. Polymers are substances formed by a chemical reaction in which two or more molecules combine to form larger molecules. PLEDs are thin film displays that are created by sandwiching an undoped conjugated polymer between two proper electrodes at a short distance. The […]