Also found in: Acronyms.
WinRT vs. Windows RT
WinRT is the API, while Windows RT was the operating system for ARM-based tablets when Windows 8 was introduced. Windows RT was the first operating system that required developers to employ the WinRT APIs. See Windows RT, Windows 8 and Windows 8.1.
A Peculiar Name
The "Runtime" in WinRT is an odd name for a programming interface (API) because every API represents operating system modules that must be "running" in order to work. The common convention for the term "runtime" is a third-party, non-OS module that must be loaded; for example, a Java interpreter. Strange naming is however very common in the industry (see naming fiascos).
|The WinRT API|
|When Windows 8 was introduced, developers had to use the WinRT API in order to create the new tablet-style apps.|
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