1) first,  a) sounds an alarm if system unable to respond b) the ADC converts the analogue data into digital form c) information from the sensors sent to microprocessor d) continuously monitors sensor inputs 2) after the data is collected,  a) the ADC converts the analogue data into digital form b) if temperature < 25ºC OR temperature checked against stored value c) use of DAC between microprocessor and devices d) continuously monitors sensor inputs 3) Then the temperature is checked against stored value to  a) microprocessor sends signal to heater/actuator/valve b) use of DAC between microprocessor and devices c) make sure Nothing will happen d) to switch on heater 4) Now, the system check the oxygen level a) if oxygen level < 20 ppm, open valve b) if oxygen level checked against stored value open valve c) sounds an alarm if system unable to respond d) any reference to feedback 5) who is responsible for checking the values, then take an action a) only microprocessor b) sensors and microprocessor c) microprocessor, then actuator d) sensor, microprocessor, actuator 6) in order for the actuator to take an action that opens or closes something, the current need to be in.......... between the microprocessor and the devices a) Digital b) analog 7) After DAC is used to take an action, the system will  a) sounds an alarm if system unable to respond b) take no action c) repeat the process again 8) The system will a) The system will shutdown b) The system will not response to any commands c) repeat the process again

Describe how the sensors and the microprocessor are used to maintain the correct conditions in the fish tank.

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