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Photonic-crystal fiber ( PCF) is a class of optical fiber based on the properties of photonic crystals. It was first explored in 1996 at University of Bath, UK. Because of its ability to confine light in hollow cores or with confinement characteristics not possible in conventional optical fiber, PCF is now finding applications in fiber-optic ...
Programming Computable Functions. In computer science, Programming Computable Functions (PCF) is a typed functional language introduced by Gordon Plotkin in 1977, [1] based on previous unpublished material by Dana Scott. [note 1] It can be considered to be an extended version of the typed lambda calculus or a simplified version of modern typed ...
Form I-94, the Arrival-Departure Record Card, is a form used by U.S. Customs and Border Protection (CBP) intended to keep track of the arrival and departure to/from the United States of people who are not United States citizens or lawful permanent residents (with the exception of those who are entering using the Visa Waiver Program or Compact of Free Association, using Border Crossing Cards ...
A .pcf file can be profile configuration file or a configuration file for setting the client parameters in a virtual private network. The file is in INI file format and contains information about a VPN connection which is necessary for the client software, such as the username, password, tunneling port, DNS settings. The .pcf-files were ...
PAP Community Foundation ( abbreviation: PCF) [2] is a charitable foundation in Singapore founded by the governing People's Action Party (PAP). Its aim includes the social and charitable causes between Singaporeans and the PAP, especially in preschool education, eldercare and community services. It also includes offering financial assistance ...
Point coordination function. Point Coordination Function ( PCF) is a media access control (MAC) technique used in IEEE 802.11 based WLANs, including Wi-Fi. It resides in a point coordinator also known as access point (AP), to coordinate the communication within the network. The AP waits for PIFS duration rather than DIFS duration to grasp the ...
PCF theory is the name of a mathematical theory, introduced by Saharon Shelah ( 1978 ), that deals with the cofinality of the ultraproducts of ordered sets. It gives strong upper bounds on the cardinalities of power sets of singular cardinals, and has many more applications as well. The abbreviation "PCF" stands for "possible cofinalities ".
LibreOffice. Free ( Mozilla Public License) an Office suite; allows to export (and import, with accuracy limitations) PDF files. Microsoft Word 2013. Proprietary. Desktop software. The 2013 edition of Office allows PDF files to be converted into a format that can be edited. Nitro PDF Reader.