What is IoT (Internet of Things) and How does it works ? | IoT Tutorial for beginners | IoT in 2020
What is IoT (Internet of Things) and How does it works ? | IoT Tutorial for beginners | IoT in 2020
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The internet of things, or IoT, is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers (UIDs) and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction.
How IoT works
An IoT ecosystem consists of web-enabled smart devices that use embedded systems, such as processors, sensors and communication hardware, to collect, send and act on data they acquire from their environments. IoT devices share the sensor data they collect by connecting to an IoT gateway or other edge device where data is either sent to the cloud to be analyzed or analyzed locally. Sometimes, these devices communicate with other related devices and act on the information they get from one another. The devices do most of the work without human intervention, although people can interact with the devices -- for instance, to set them up, give them instructions or access the data.
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Pros and cons of IoT
Some of the advantages of IoT include the following:
ability to access information from anywhere at any time on any device;
improved communication between connected electronic devices;
transferring data packets over a connected network saving time and money; and
automating tasks helping to improve the quality of a business's services and reducing the need for human intervention.
Some disadvantages of IoT include the following:
As the number of connected devices increases and more information is shared between devices, the potential that a hacker could steal confidential information also increases.
Enterprises may eventually have to deal with massive numbers -- maybe even millions -- of IoT devices, and collecting and managing the data from all those devices will be challenging.
If there's a bug in the system, it's likely that every connected device will become corrupted.
Since there's no international standard of compatibility for IoT, it's difficult for devices from different manufacturers to communicate with each other.
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