Internet of Things (IoT) Devices Quiz

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Questions and Answers

What is the primary function of IoT in home security?

  • Monitoring and controlling vital health indicators
  • Repairing minor leaks of hazardous chemicals
  • Detecting trespassers and monitoring restricted locations
  • Providing 24x7 protection through connected sensors and devices (correct)

What do activity trackers primarily monitor and communicate in real time?

  • Pressure buildups and minor leaks of hazardous chemicals
  • Structural flaws and disturbances
  • Vibrations in buildings, bridges, and dams
  • Blood pressure, appetite, and physical activity (correct)

What is the main purpose of motion sensors in large-scale structures?

  • Detecting structural flaws and disturbances (correct)
  • Monitoring and controlling vital health indicators
  • Detecting trespassers and monitoring restricted locations
  • Repairing minor leaks of hazardous chemicals

What type of devices can be managed from a smartphone to provide 24x7 protection in a smart home?

<p>Home security cameras (A)</p> Signup and view all the answers

In industrial security and safety, what can IoT-enabled detection devices, sensors, and cameras detect?

<p>Pressure buildups and minor leaks of hazardous chemicals (D)</p> Signup and view all the answers

What feature allows smart sensors to collect data from devices and communicate it to the next layer in IoT?

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

What is the main function of sensors in IoT devices?

<p>Collecting data from the environment (D)</p> Signup and view all the answers

What is the role of actuators in IoT devices?

<p>Carrying out actions based on data (A)</p> Signup and view all the answers

When was the Smart Sensors technology developed?

<p>1970s (D)</p> Signup and view all the answers

What enabled the development of new generations of Smart Sensors in the 1990s?

<p>Integrated signal read-out and processing obtained by CCD-CMOS technologies (B)</p> Signup and view all the answers

What is the function of actuators in IoT devices?

<p>Transforming energy into mechanical force (D)</p> Signup and view all the answers

What is the main difference between sensors and actuators?

<p>Sensors translate physical properties into electrical signals, while actuators translate electrical signals into physical qualities (B)</p> Signup and view all the answers

Which component allows machines to move?

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

What is the first stage of the data processing cycle?

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

What is the purpose of the processing stage in the data processing cycle?

<p>To transform raw data into information (C)</p> Signup and view all the answers

What happens in the output stage of the data processing cycle?

<p>The processed data is converted into human-readable form (D)</p> Signup and view all the answers

What does the statement 'garbage in – garbage out' imply in the context of data processing?

<p>The quality of input data affects the quality of output (D)</p> Signup and view all the answers

What is the role of classification in the processing stage of data?

<p>Grouping data into different categories (C)</p> Signup and view all the answers

How does the output of data processing contribute to future use?

<p>It allows detecting trends in the future (B)</p> Signup and view all the answers

What is one of the common uses of cloud computing according to the text?

<p>Accessing cloud-based communication tools (D)</p> Signup and view all the answers

Which application is an example of the Software as a Service (SaaS) cloud computing model?

<p>WhatsApp (D)</p> Signup and view all the answers

What can be a fatal consequence of major data breaches in today's world?

<p>Loss of customer trust (B)</p> Signup and view all the answers

What does disaster recovery help businesses to avoid?

<p>Failure within 3 years of a disaster (C)</p> Signup and view all the answers

Which type of applications incorporate cloud computing into management strategy?

<p>Business management applications such as ERP (C)</p> Signup and view all the answers

What is a significant disadvantage for businesses that do not collect big data according to the text?

<p>They will be at a significant disadvantage (C)</p> Signup and view all the answers

What is one of the primary functions of Infrastructure as a Service (IaaS) and Platform as a Service (PaaS)?

<p>Running physical servers and virtualization infrastructure (C)</p> Signup and view all the answers

Which application is an example of a cloud-based communication tool?

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

What does running the physical servers and virtualization infrastructure require?

<p>Acquiring and managing IT infrastructure (D)</p> Signup and view all the answers

What is a common use of cloud computing for disaster recovery?

<p>Data backups and archiving (C)</p> Signup and view all the answers

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