Computing operation that can be recognized and handled by software
Also known as computer event · event (informatics) · Event (computing)
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3 identifiers linking event across the web's reference databases
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In computing, an event is a detectable occurrence or change in state that the system is designed to monitor, such as user input, hardware interrupt, system notification, or change in data or conditions. When associated with an event handler, an event triggers a response. The handler may run synchronously, where the execution thread is blocked until the event handler completes its processing, or asynchronously, where the event may be processed later. Even when synchronous handling appears to block execution, the underlying mechanism in many systems is still asynchronous, managed by the event loop.