Timer/Counter:

TCCR1A = 0;

TCCR1B = (1 << CS12) | (1 << CS10);

TCCR1C = 0;

TCNT1 = 0;

a) How many seconds will it take before the timer will roll over (reset to zero)?

b) Write the code to configure the registers to count the number of times a button on pin T1 has been released

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Describe two different approaches to debouncing a button? Which approach is better and why?