Which of these following sensor is a useful as part of a burglar alarm system for commercial buildings?
A. Movement detector
B. Door sensor
C. Window sensor
D. All of the mentioned
Answer:A
Which of these following sensor is a useful as part of a burglar alarm system for commercial buildings?
A. Movement detector B. Door sensor C. Window sensor D. All of the mentioned
Explanation:A burglar alarm system for commercial buildings include movement detectors in individual rooms, door sensors that detect corridor doors opening, and window sensors on ground-floor windows that can detect when a window has been opened. 2. Which of the following is not real-time architectural patterns that are commonly used?