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Sagot :
Answer:
A. an ADC
Explanation:
A sensor can be defined as a device designed to detect changes or events within its immediate surroundings and then transfers this data to the central processing unit of a computer.
Simply stated, a sensor is an input device that detects changes in its environment and sends the data to another electronic device. Thus, this data must be converted by an analog to digital converter (ADC) into a digital format that is understandable by the central processing unit (CPU) of a computer.
Hence, the measured values of a sensor must first be processed by the analog to digital converter (ADC) prior to sending to a computer.
Some examples of sensors are light sensors, tactile sensors, metal sensors (detector), etc.
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