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Related MCQs

• Once a signal source is inside the sensing range of a sensor, further increasing the sensor density ___________the average distance from a sensor to the signal source, hence improving the SNR
• The challenges in sensor network databases A: limited storage on nodes and high communication costs imply that older data has to be discarded B: sensor tasking interacts in numerous ways with the sensor database system
• In a typical sensor network, each sensor node operates unethered and has a microprocessor and a small amount of memory for signal processing and task scheduling
• Node A and B 130 meters away and 5 hope separated. Node B and C 170 meters away and 6 hope separated and Node A and c 120 meters away and 5 hope separated. Then the mean hop length is___ meters.
• Each sensor has a finite sensing range, determined by the___________ floor of the sensor
• Each sensor in a sensor network takes___________ measurements of physical phenomena such as heat, sound, light ,pressure or motion
• The size of wireless sensor system is limited mostly by A: the cost of maintaining communication links B: the cost of sensor hardware
• Wireless Sensor Networks are networks that consist of sensors that are A: distributed in an ad hoc manner. B: These sensors work with each other to sense some physical phenomenon and then the information gathered is processed to get relevant results. C: Wireless sensor networks consist of protocols and algorithms with self-organizing capabilities.
• A___________ sensing system is inherently more robust against individual sensor node or link failures, because of redundancy in the network
• A___________ sensing system is inherently more robust against individual sensor node or link failures, because of redundancy in the network