Define deadband and describe how it relates to hysteresis in sensor systems.

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Deadband is the region around the switching point where input changes do not affect the output. This neutral zone keeps the sensor from chattering due to small fluctuations or noise. Hysteresis, on the other hand, means the system uses two distinct thresholds for switching—one when the input is rising and a different one when it’s falling—so the state depends on the direction of change. In sensor systems, the deadband corresponds to the width of that hysteresis band: inside this zone the output remains unchanged, and the state only flips when the input crosses the appropriate threshold in the direction of change. This is why the described pairing is the best fit: it captures both the stable region and the explicit switching thresholds created by hysteresis. The other statements either imply the output toggles within the deadband, equate the two concepts, or claim the concept doesn’t apply to sensors, none of which accurately describe their relationship.