1(xii)
The function of a sensor is to:
- (a)detect changes in environment and send signals.
- (b)process the input data and make decisions.
- (c)change electrical energy into motion.
- (d)supply power to the robot.
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detect changes in environment and send signals.
Reason — A sensor is used to detect changes in the environment such as light, temperature or motion and convert them into signals that can be processed by the system.