COM

(Computers) communications port, device in DOS and Windows which relates to the serial ports in a computer; COM file, file which can be operated in DOS

n. (Computers) extension of Internet addresses for commercial organizations or agencies (esp. those based in the USA)

n. leader, one who is in charge; officer in charge of a unit (Military)

Com may refer to:AcademiaCommunication or Communication studiesCollege of Marin, a community college in Kentfield, CaliforniaCOM•DTU – the Department of Communications, Optics & Materials at the Technical University of DenmarkConstitution of Medina, a document drafted by Muhammad to lay the structure of the first Islamic state.The code suffix used for courses offered by the School of Journalism and Communication, CUHK, Hong Kong.Business, politics and cultureCommerceCommander of the Order of Merit of the Police Forces (Canadian decoration post-nominal letters)Comoros, an ISO trigram country codeCorporal, Captain or Colonel of the United States Marine CorpsCOM (manga magazine), an alternative manga magazine founded by Osamu Tezukacollectivité d'outre-mer, a French overseas collectivity Children of Men, a 2006 filmComputing and gamingCOM (hardware interface) – a serial port interface on IBM PC-compatible computersComputer (also "Computer player", in video games).com, an Internet top-level domain used for Web sites of commercial organizations.com (short for "command"), a file extension for a simple MS-DOS executable formatSerial communication interface of a personal computerHardware Communication Ports (COM:), prefix in Microsoft Windows and MS-DOS operating systemComponent Object Model (COM), a software component platform introduced by MicrosoftKingdom Hearts: Chain of Memories, a video game for the Game Boy AdvanceComputer Output MicroformScienceCoenzyme M, an intermediate in methanogenesisComa Berenices (constellation), standard astronomical abbreviationCenter Of Mass, or Center of Momentum as used in the concept COM frameCoal-Oil MixtureTransportCOM is the ICAO airline designator for Comair, United States
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.com (commercial) is a generic top-level domain (gTLD) used on the Internet's Domain Name System. It was one of the original top-level domains (TLDs), established in January 1985, and has grown to be the largest TLD in use. It was originally administered by the United States Department of Defense. The DoD contracted its maintenance to Stanford Research Institute. On January 1, 1993 the National Science Foundation assumed responsibility for its maintenance, as .com was primarily being used for non-defense interests. The NSF contracted its maintenance to Network Solutions. In 1995 the NSF authorized NSI to begin charging registrants (of .org and .net as well as .com) an annual fee, for the first-time since its inception. Initially it was $50 per year, with $35 going to NSI, and $15 going to a government fund. New registrations had to pay for the first two years, making the new-domain registration fee $100. In 1997 the United States Department of Commerce assumed authority over it (along with the rest of the generic top level domains). It is currently operated by VeriSign, which had acquired Network Solutions. (VeriSign later spun off Network Solutions' non-registry functions into the current company which continues as a registrar.) In the English language it is consistently pronounced as a word, dot-com, and has entered common parlance this way.
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.COM redirects here. For the top level internet domain, see .com. The file name extension .com has been used in various computer systems for different purposes. Originally, the term stood for "Command file" and was a text file containing commands to be issued to the operating system. This was the practice on many of the Digital Equipment Corporation mini and mainframe computer systems going back to the 1970s.
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Component Object Model (COM) is a platform for software componentry introduced by Microsoft in 1993. It is used to enable interprocess communication and dynamic object creation in any programming language that supports the technology. The term COM is often used in the software development world as an umbrella term that encompasses the OLE, OLE Automation, ActiveX, COM+ and DCOM technologies. Although COM was introduced in 1993, Microsoft did not begin emphasizing the name COM until 1997. The essence of COM is a language-neutral way of implementing objects such that they can be used in environments different from the one they were created in, even across machine boundaries. For well-authored components, COM allows reuse of objects with no knowledge of their internal implementation because it forces component implementers to provide well-defined interfaces that are separate from the implementation. The different allocation semantics of languages are accommodated by making objects responsible for their own creation and destruction through reference-counting. Casting between different interfaces of an object is achieved through the QueryInterface() function. The preferred method of inheritance within COM is the creation of sub-objects to which method calls are delegated.
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COM, communications port, device in DOS and Windows which relates to the serial ports in a computer; COM file, file which can be operated in DOS (Computers)

com, (Computers) extension of Internet addresses for commercial organizations or agencies (esp. those based in the USA)

v. be pleased, please, satisfy, gratify, indulge, congratulate