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Computers - General Knowledge Questions
What are the signals that inform the operating system that some activity has taken place, called?
A)
Interrupts
B)
Informers
C)
Handlers
D)
Events

Correct Answer : Option (C) - Handlers

In computer programming, an event handler is an asynchronous callback subroutine that handles inputs received in a program. Each event is a piece of application-level information from the underlying framework, typically the GUI toolkit. GUI events include key presses, mouse movement, action selections, and timers expiring. Event handlers are a central concept in event-driven programming.

Published On : June 15, 2021
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