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 then hand the results back to the client.
- OR operator
A Boolean operator that returns a value of TRUE if either (or both) of its operands is TRUE. This is called an inclusive OR operator. There is also an exclusive OR operator (often abbreviated XOR) that returns a value of TRUE only if just one of the operands is TRUE.
Short for Open Software Foundation, now part of The Open Group.
- Open System Interconnection (OSI)
(1) (pronounced as separate letters) Short for Open System Interconnection, an ISO standard for worldwide communications that defines a networking framework for implementing protocols in seven layers. Control is passed from one layer to the next, starting at the application layer in one station, proceeding to the bottom layer, over the channel to the next […]
Short for Open Shortest Path First, an interior gateway routing protocol developed for IP networks based on the shortest path first or link-state algorithm. Routers use link-state algorithms to send routing information to all nodes in an internetwork by calculating the shortest path to each node based on a topography of the Internet constructed by […]
- OSR 2
Short for OEM Service Release 2, a new version of Windows 95 released at the end of 1996. Also called Windows 95b, OSR 2 provides a number of new features and bug fixes. Probably the most important new feature is FAT32, a new version of the file allocation table. FAT32 supports disk drives up to […]