Smart Sensing With IoT quiz

What is the difference between Sensor, Transmitter and Transducer?

• Sensor is a primary sensing element

• Transmitter contains the transducer

• Transducer changes one form of energy to another

• All of the above

What is a characteristic of IoT architecture?

• 
  Limited scalability

• 
  Intermittent connectivity

• 
  High power consumption

• 
  

  Complex addressing

Which of the following is a modern-day IoT application?

• 
  Basic Lighting

• 
  Manual Inventory

• 
  Traditional Banking

• Smart Parking

What is the primary use of Bluetooth technology?

• 
  Long-range communication

• 
  High-speed data transfer

• 
  Wired connections

• 
  Short-range communication

What is the primary function of sensors in IoT?

• 
  To collect live data

• 
  To process data

• 
  To act as a user interface

• 
  To connect to the internet

Consider a scenario where an ESP32 cluster autonomously reprograms itself based on real-world sensor stimuli. Which architectural element of IoT needs redefining for such systems?

• Device Identity Layer

• Perception Layer

• Network Abstraction Layer

• Cognitive Feedback Layer

What does the term 'smart dust' refer to?

• 
  Dust particles that store data

• 
  Small computers for environmental monitoring

• Large sensors

• 
  Traditional computing devices

What are the characteristics of sensors?

• 
  Range

• Sensitivity

• Resolution

• All of the Above

What is the difference between accuracy and precision?

• Accuracy is repeatability, precision is closeness to true value

• 
  Accuracy is the closeness to true value, precision is repeatability

• 
  Both are the same

• 
  

  None of the above

According to IEEE & Microchip Technology, what is a microcontroller?

• A system-on-chip that contains a processor, memory, and I/O interfaces.

• A general-purpose digital computer central processing unit.

• A type of microprocessor used in high-end computing.

• A device used for general-purpose computing.