IoT Practical QA

 

                                                                                    





1. What is IOT ?

Ans:Internet of Things (IoT) is a system of interconnected computing devices and things, with an ability to understand and comprehend, in any given situation, and take appropriate actions/decisions, without any human interventions.


Internet of Things (IoT) is a conglomerate of internet-enabled computing devices. 


IoT system works by interacting with connected objects/things.


2. What is Key-Value Pair Database ?


Ans: Data is stored in the key-value pairs.

  • This database handles a lot of data.

  • The records are stored and retrieved using a key that uniquely identifies the record.

  • This database is used in storing Session information, User profile, preferences, and shopping cart data

3. What is a thing in IOT ?

Ans: A Thing, in IoT, is known as any living or non-living entity with a unique identity and ability to transfer data through a network to any other entity or computing device.


4. Explain Evolution of IoT

Ans:  The evolution of IoT are:

  • Invention of Bar Codes by Dr. Norman in 1952

  • Invention of the Internet by Dr. Leonard Kleinrock in 1961

  • Invention of RFID by Dr. Mario Cardullo in 1973

  • Invention of the wearable heads-up display by Dr. Thad Starner in 1990

Note: IoT was developed by a combination of proven and integrated technologies. Therefore, it underlines the characteristics of scalability, portability, and reliability.


5. What are the four eras of the Industrial revolution ?

Ans: Industrial revolution can be classified into four eras, namely:

  • Industry 1.0: This era focused on mass-producing agri products and handloom products to a scale which was never seen earlier. This massive increase in production led to economic growth and social transformation.

  • Industry 2.0: This era enabled the invention of automobiles, railways, roads, and so on.

  • Industry 3.0: This era is also known as the digital revolution. The invention of electronics and computers fueled the industrial shift from mechanical to electronics.

  • Industry 4.0: This revolution is the synergy of the physical, digital, and biological world. It enabled ubiquitous computing, mobile super-computing, artificially-intelligent robots, and self-driven cars. Ultimately, it challenges our idea about what it means to be a human.

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