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What steps have to be followed for interfacing a sensor to a microcontroller 8051?

What steps have to be followed for interfacing a sensor to a microcontroller 8051? Correct Answer interface sensor with ADC and ADC with 8051

For interfacing a sensor with an 8051 microcontroller, we need ADC in between because output of sensor is analog and microcontroller works on digital signals only. So whatever signal generated by the sensor is converted into its digital equivalent using ADC and equivalent digital signal is given to the microcontroller for processing.

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Statement (I): To use a sensor, we generally need to add signal conditioning circuitry, such as circuits which amplify and convert from analog to digital, to get the sensor signal in the right form, take account of any non-linearities, and calibrate it. Statement (II): A smart sensor is integrated with the required buffering and conditioning circuitry in a single element and provides functions beyond that of just a sensor.
The step that is involved in the procedure of memory interfacing with 8051 is
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