What is the result of a toggling effect in a counter?

The toggling effect in a counter refers to the operation where the counter changes its state, typically incrementing or decrementing its output value. When a pulse is applied to a counter that is designed to respond to toggling, the counter will increment its output value by one for each incoming pulse. This is fundamental to how binary counters operate, as they count up in a binary sequence with each pulse.

When a counter receives a clock pulse, if it is in a toggling mode, it will transition from one state to the next—effectively increasing the numerical representation of its current output. This makes it a critical mechanism for counting in digital systems.

Other options, such as resetting the counter or turning it off, do not define the behavior of toggling. The process of toggling itself inherently involves the counter being able to count up, which is why the correct choice directly aligns with the definition and function of a toggling effect in a counter.