IoT Chapter 4: IoT Sensors
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Questions and Answers

What is the main function of IoT sensors?

  • Collecting information about physical phenomena from the surrounding environment (correct)
  • Controlling forest fires
  • Serving as a link between the digital world and the physical world
  • Processing digital data

What distinguishes IoT sensors?

  • Large size and high price
  • Heavy energy consumption
  • Connection to the digital world only
  • Ability to operate without human intervention (correct)

How do IoT sensors contribute to the digital world?

  • By controlling forest fires
  • By consuming large amounts of energy
  • By converting physical phenomena into a digital format for processing (correct)
  • By integrating with other devices

What is the main reason for calling sensors 'objects'?

<p>Their connection to the IoT network to share collected data (A)</p> Signup and view all the answers

What is one of the most important capabilities of IoT?

<p>The spread and appearance of sensors on a broader scale (D)</p> Signup and view all the answers

How can a network of sensors be built?

<p>By deploying sensors in a specific area (B)</p> Signup and view all the answers

What is the advantage of sensors being small in size?

<p>They are easy to deploy in remote and dangerous places (C)</p> Signup and view all the answers

Which unit is NOT mentioned as a component of sensors?

<p>Data storage unit (A)</p> Signup and view all the answers

What is the static characteristic that gives the highest and lowest value within which the sensor can sense?

<p>Range (A)</p> Signup and view all the answers

Which characteristic refers to the capacity of a measuring instrument to give the same reading when repetitively measuring the same quantity under the same conditions?

<p>Repeatability (B)</p> Signup and view all the answers

What does sensitivity indicate?

<p>The ratio of incremental change in the response of the system with respect to incremental change in input parameters (C)</p> Signup and view all the answers

What is determined by the calibration curve plotting the output amplitude versus the input amplitude under static conditions?

<p>Linearity (B)</p> Signup and view all the answers

What characteristic refers to how a sensor's output changes in response to an input change after reaching a steady state condition?

<p>Accuracy (C)</p> Signup and view all the answers

What characteristic of sensors allows them to be left in a place without human intervention?

<p>Small size and low energy consumption (D)</p> Signup and view all the answers

Which of the following is NOT a feature of IoT sensors mentioned in the text?

<p>Operation without battery (B)</p> Signup and view all the answers

What is the primary function of a network of sensors as described in the text?

<p>Collecting data about physical phenomena (A)</p> Signup and view all the answers

Which static characteristic determines the highest and lowest value within which a sensor can sense?

<p>Range (B)</p> Signup and view all the answers

What contributes to the spread and appearance of sensors on a broader scale, according to the text?

<p>Development of IoT (C)</p> Signup and view all the answers

What does a calibration curve plotting the output amplitude versus the input amplitude under static conditions determine?

<p>Linearity (B)</p> Signup and view all the answers

Which characteristic refers to the deviation of the sensor value curve from a particularly straight line?

<p>Linearity (C)</p> Signup and view all the answers

What characteristic refers to the capacity of a measuring instrument to give the same reading when repetitively measuring the same quantity under the same prescribed conditions?

<p>Repeatability (B)</p> Signup and view all the answers

What does sensitivity indicate in the context of sensors?

<p>The ratio of incremental change in the response of the system with respect to incremental change in input parameters (D)</p> Signup and view all the answers

What characteristic refers to how a sensor's output changes in response to an input change after reaching a steady state condition?

<p>Sensitivity (B)</p> Signup and view all the answers

Which unit is NOT mentioned as a component of sensors?

<p>Data processing unit (C)</p> Signup and view all the answers

What is determined by the calibration curve plotting the output amplitude versus the input amplitude under static conditions?

<p>Linearity (B)</p> Signup and view all the answers

What is one of the most important capabilities of IoT sensors, based on the given text?

<p>Ability to be easily deployed in remote and dangerous places (D)</p> Signup and view all the answers

What distinguishes IoT sensors, according to the text?

<p>Ease of deployment and low energy consumption (B)</p> Signup and view all the answers

What is the main function of IoT sensors, based on the given text?

<p>Environmental monitoring (C)</p> Signup and view all the answers

What is the advantage of sensors being small in size, according to the text?

<p>Low cost and ease of deployment (A)</p> Signup and view all the answers

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