Michael+Q+question

The owner of a jewelry store is trying to install a security system that could prevent intruders from stealing his goods. The system needs to accurately detect the intruder by 1: sense change in temperature; 2: detect the obstructions in glass windows or doors. 3: sense the gas concentration

a ) Please list sensors what will help to build this security system[3]

b) Provided that the system is controlled by a micro-processor please state briefly, what is the function of micro-processor[2]

In pursuit of a more futuristic design, the owner wants his office door to recognize him and automatically opens for him without the key.

c) Explain how he could do that, what material he requires, and further explain why your design is both secure and user friendly.[5]