On eBay, eBay alternatives, and classified ad Web sites, OOAK is an abbreviation used to mean one of a kind. This abbreviation would be used by the seller to indicate that the item for sale is rare, unique, or a handcrafted original.

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  • OPC specification

    OPC is designed to deliver open connectivity via open standards in industrial automation and the enterprise systems, and is based on a series of standards specifications. Originally based on Microsoft’s OLE COM (component object model) and DCOM (distributed component object model) technologies, the specification defined a standard set of objects, interfaces and methods for use […]

  • OPD

    Short for outsourced product development, OPD is a term used to describe a company or organization that uses a third-party provider, called outsourcing, to develop software products.

  • Num Lock key

    A key that switches the numeric keypad from numeric mode to cursor control mode, and vice versa. In numeric mode, the keys represent numbers even when they are combined with the Shift key, Function key, or Control key. Otherwise these combinations may have different meanings. The Num Lock key is a toggle key, meaning that […]

  • OPS

    Short for Open Profiling Standard, similar to P3P, but not worked on by the W3C. Instead, it has been adopted as part of P3P. OPS allows secure transfer of data from a user’s browser, but doesn’t require that a Web site release its privacy policy. Therefore, the user must manually choose what info will be […]

  • ORB

    Short for Object Request Broker, a component in the CORBA programming model that acts as the middleware between clients and servers. In the CORBA model, a client can request a service without knowing anything about what servers are attached to the network. The various ORBs receive the requests, forward them to the appropriate servers, and […]

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