=MATCH(lookup_value, lookup_array, match_type) 1  lookup_valueThe value to match in lookup_array. 2  lookup_arrayA range of cells with data. 3  match_typeSpecifies how Excel matches the lookup_value with values in the lookup_array. For exact matches, always use 0 for this argument.
Definition of sense for English Language Learners. : 1  one of the five natural powers (touch, taste, smell, sight, and hearing) through which you receive information about the world around you. : 2  a physical feeling : something that your body experiences. : 3  a particular feeling : an emotion that you are aware of.
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. Here are a few examples of the many different types of sensors: In a mercury-based glass thermometer, the input is temperature. The liquid contained expands and contracts in response, causing the level to be higher or lower on the marked gauge, which is human-readable. An oxygen sensor in a car's emission control system detects the gasoline/oxygen ratio, usually through a chemical reaction that generates a voltage.