Sensor
A sensor is a device that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure, or any one of a great number of other environmental phenomena. The output is generally a signal that is converted to human-readable display at the sensor location or transmitted electronically over a network for reading or further processing.
- Used in real time event for give input.
- Most important and latest technology for computing.
- It produced one kind of powerful ray (infra ray) and that send to the computes.
- Eg: temperature, traffic control, water speed etc.
