Question
Download Solution PDFComprehension
Read the following paragraph and answer the five questions that follow:
The internet of things (IOTs) and data analytics are the most significant emerging technologies in recent years that have a disruptive and transformational effect to every industry around the world. The IOT is a technology digitizing the physical world and is a prominent driver to the fourth industrial revolution (IR) that will have the impacts across the business and industry continuum around the world. Business executives and informed citizens are positively anticipating of the fourth IR and digital revolution with low impacts on employments. Applying IOT in to realm of our lives opens-up a host of new opportunities and challenges for consumers, enterprise and Government, IOT products and services enable improvements in productivity and time to market and create thousands of businesses and millions of jobs. Our lives are improved but at the cost of higher energy consumption that directly impacts our environment.
Arrange the following IOT technologies in ascending order of their wireless range:
(A) Near-field communication
(B) Wi-Fi
(C) Blue tooth low energy
(D) Cellular networks
Choose the correct answer from the options given below:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFA) Near-field communication B) Blue tooth low energy C) Wi-Fi D) Cellular networks
A) Near-field communication: This technology has very short range, typically up to 4 cm. It is used for very short-range communication between two devices.
B) Bluetooth Low Energy: This technology has a range of up to 100 meters. It is used for short-range communication between two devices.
C) Wi-Fi: This technology has a range of up to 100 meters. It is used for medium-range communication between two or more devices.
D) Cellular Networks: This technology has a range of up to 10 kilometers. It is used for long-range communication between two or more devices.
Ascending order of wireless range: Near-field communication, Bluetooth Low Energy, Wi-Fi, Cellular Networks.
Hence option 2 is correct.
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