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•  Cloud Computing Platforms: They store data collected through IoT devices for processing or identifying errors within
                 the system.
              •  Control Unit: It analyses and processes data from the sensors and carries out necessary operations.
              •  Low cost and low power consuming electronic system.

              Applications of IoT
              IoT technology finds its application in a wide range of fields which are listed as follows:

              •  Smart cities: IoT applications are implemented in smart cities for intelligent traffic management, improved health
                 diagnosis and services, smart water supply, scheduling waste collection depending on the fill level of the bins,
                 automated meter reading of water, electricity and gas of the consumers, smart parking facility, automated smart
                 lighting controls and many more such applications.
              •  Healthcare: Physical fitness devices and activity trackers like smartwatches and monitors easily provide their users
                 with data pertaining to their blood pressure, heart rate, and activity of users and also update them on a daily basis.
                 They can even send messages to family members or even contact appointed doctors in case of emergencies.

              •  Transportation: Driverless cars (autonomous or self-driving cars) use IoT during navigation.
              •  Daily activities: Household appliances like smart refrigerators, smart TV, smart dishwasher, smart microwave, etc.
                 can easily connect to the internet through wi-fi and interact with the owner through smartphone or tablet. They
                 can customize the temperature of the compartments, alert you when your stock is low, automatically turn off when
                 a task is complete and do many other activities which make our lives a lot easier.
                                                             Smart car




                                                Smart city                  Wearables


                                                                IoT
                                             Smart health  Applications    Smart appliances





                                             Smart farming                 Smart buildings


                                                        Smart TV    Smart home
              16.1.3  Virtual Reality
              Have you ever come across 7D cinema? If not, then it’s time to be aware of this new term, which is an upgraded version
              of the 3D, 4D, 5D and 6D cinemas. It is a combination of 3D images  and effects produced by special equipment which
              affects our sense organs. Other than the 3D images, we can sense wind blowing, rain falling, snow or bubble flying and
              the motion of the dynamic seats; all appear to be happening in front of us which takes us to a fantasy world. We can
              even smell or taste a virtual object. We, thus, experience  a real-world-like affect though the environment is virtual.


                                                             Definition
                    The Merriam-Webster dictionary defines virtual reality as “an artificial environment which is experienced through
                    sensory stimuli (as sights and sounds) provided by a computer and in which one’s actions partially determine what
                    happens in the environment.”


              Virtual reality (VR) seeks to create a realistic 3D environment using interactive hardware and software, that human
              organs sense as real and even interact with it in realistic ways.


                474474  Touchpad Computer Science-XI
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