Answer: Environment sensing Collector
Explanation:
An environmental monitoring system or collectors is the process which a device uses in monitoring the quality of the environment. These devices or software allows for a realtime monitoring and checking of any parameter required. They are used to monitor and collect data on environmental conditions such as relative humidity, temperature, dew and frost point, differential pressure, pressure, flow, and many more.
B,the printer only receives signals from the computer and prints them.
Answer : C project planning
In think is C or B in my opinion