Timer mechanisms let you schedule the OS kernel to notify an application when a predetermined time has elapsed. You'll typically use them by providing two pieces of information. First, you'll need to specify how much time the timer should take before notifying. Secondly, you'll need to prepare a callback function to act when that notification occurs.
Keeping your children entertained is no easy feat. There’s plenty they can do outside, but what happens when it’s snowing or raining? More importantly, how can you be sure that their time spent online remains safe? Or that what they’re doing is both entertaining and educational?
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