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Key debouncing is a technique used in electronic circuits and software to ensure that only a single signal is registered when a key (like a button or switch) is pressed or released. When a key is pressed, it may produce multiple rapid on-off signals due to mechanical vibrations, known as "bouncing." Debouncing filters out these false signals, allowing the system to recognize the intended single action. This improves the reliability and accuracy of user inputs in devices like keyboards and switches.

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1mo ago

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Debouncing is crucial because it prevents a function from being executed multiple times in quick succession, which can lead to performance issues and unintended behavior. This technique is particularly important in scenarios like handling user input events (e.g., resizing a window or typing in a search box) where rapid firing of events can overwhelm the system. By ensuring that a function is only executed after a specified delay, debouncing enhances application efficiency and responsiveness. Overall, it helps maintain a smoother user experience while conserving resources.


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