Why do we generate a square wave on a GPIO pin?, To simulate and study clock signal behavior, To store program memory, To increase battery voltage, To replace the CPU clock permanently, What is true about the ESP32 internal clock?, It is directly visible on external pins, It can only be observed indirectly, It is always slower than external devices, It does not affect CPU performance, What does a clock edge represent in digital systems?, A moment where no operation happens, A trigger point for CPU operations, A random noise signal, A memory reset event

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