High Quality Content by WIKIPEDIA articles! An XML stanza is a concept in computing. In XMPP, <message/>, <presence/>, and <iq/> are the three types of XML stanza that are defined for the 'jabber:client' and 'jabber:server' namespaces. Computing, also known as computer science, is usually defined as the activity of using and improving computer technology, computer hardware and software. It is the computer-specific part of information technology. Computer science (or computing science) is the study and the science of the theoretical foundations of information and computation and their implementation and application in computer systems.

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