online dictionaries of abbreviations

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NMEA
(National Marine Electronics Association) A combined electrical and data specification for communication between marine electronics and also, more generally, GPS receivers. The NMEA 0183 More…
OBEX
(OBject EXchange) A communications protocol that facilitates the exchange of binary objects between devices. It is maintained by the Infrared Data Association but has also been adopted by More…
OCR
(Optical Character Recognition) A computer software designed to translate images of typewritten text (usually captured by a scanner) into machine-editable text, or to translate pictures of More…
OMR
(Optical Mark Recognition) A method of computerized input from (usually) paper forms. It is generally distinguished from OCR by the fact that a recognition engine is not required. That is, More…
PBX
(Private Branch eXchange; Private Business eXchange) A telephone exchange that is owned by a private business or a home, as opposed to one owned by a common carrier or by a telephone More…
PCI
(Peripheral Component Interconnect) A computer bus for attaching peripheral devices to a computer motherboard. These devices can take the form of integrated circuits fitted on the More…
PDA
(Personal Digital Aassistant) Handheld devices that were originally designed as personal organizers, but became much more versatile over the years. A basic PDA usually includes date book, More…
PRCS
(Project Revision Control System) The front end to a set of tools that (like CVS) provide a way to deal with sets of files and directories as an entity, preserving coherent versions of the More…
RAID
(Redundant Array of Independent Disks, Redundant Array of Inexpensive Disks) A system of using multiple hard drives for sharing or replicating data among the drives. Depending on the version More…
RCS
(Revision Control System) A system used to manage multiple revisions of files. RCS automates the storing, retrieval, logging, identification, and merging of revisions. RCS is useful for text More…
RSS
(Really Simple Syndication) A family of XML file formats for Web syndication used by (amongst other things) news websites, weblogs or blogs and podcasting. The technology behind RSS allows More…
SCSI
(Small Computer System Interface) A standard interface and command set for transferring data between devices on both internal and external computer buses. SCSI is usually pronounced More…
SDK
(Software Development Kit) A set of development tools that allows a software engineer to create applications for a certain software package, software framework, hardware platform, computer More…
SIP
(Session Initiation Protocol) An IETF standard relating to VoIP technology. SIP is a protocol developed by the IETF MMUSIC Working Group and proposed standard for initiating, modifying, and More…
SMTP
(Simple Mail Transfer Protocol) The de facto standard for email transmission across the Internet. SMTP is a relatively simple, text-based protocol, where one or more recipients of a More…
SS7
(Signalling System #7) A set of telephony signalling protocols which are used to set up the vast majority of the world's PSTN telephone calls. SS7 provides a universal structure for More…
TCP/IP
(Transmission Control Protocol/Internet Protocol) The set of communications protocols that implement the protocol stack on which the Internet and most commerical networks run. It is More…
TDMA
(Time Division Multiple Access) A technology for shared medium (usually radio) networks. It allows several users to share the same frequency by dividing it into different time slots. The More…
TLD
(Top-Level Domain) The last part of an Internet domain name; that is, the letters which follow the final 'dot' of any URL. For example, in the domain name abbrebs.com, the top-level domain More…
TTS
(Text-To-Speech) A system that is able to convert text into speech utilizing speech synthesis or the artificial production of human speech. Computer generated synthesised speech is no longer More…
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