Dr Rajiv Desai

An Educational Blog


Digital transaction: ___ ____ Prologue: History of banking dates back to 2000 B.C. Archaeologists believe that depositing and lending have always been human way of business and economy during renowned Roman, Chinese, and Indian empires. In fact, if we really think about it, there can actually be no trusted way of keeping earned money safe to be used when required other than a trusted group that also provides interest on such deposits. From that time banks and their ways have evolved tremendously. Computing revolution has been the biggest step forward here. For what was confined to signatures and psychical presence, has now been replaced by plastic money and virtual presence. John Shepherd-Barron, the Scotsman is credited with inventing the world’s first automated cash machine. Shepherd-Barron said once that he came up with the idea of the cash machines after being locked out of his bank. Plastic bank cards had not […]

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INTERNET OF THINGS (IoT): _______   _______ Prologue: The phrase “Internet of Things” was coined by Kevin Ashton an expert on digital innovation in 1999 as the title of a corporate presentation he made at his place of employment, Proctor & Gamble. During his time there, Kevin Ashton came up with the idea of putting a RFID (Radio Frequency Identification) tag on each lipstick and having them communicate with a radio receiver on the shelf to track sales & inventory, and signal when restocking was needed. He theorized that such data collection can be used to solve lots of problems in the real world. The Internet is continuously changing and evolving. The main communication form of present Internet is human to human. The Internet of Things (IoT) can be considered as evolution of Internet that realizes machine-to-machine (M2M) learning. The first version of Internet was about data created by people, […]



SMARTPHONE: _______ The figure above shows transition of telephone from landline phone to smartphone. _______ Prologue: Alexander Graham Bell’s invention has come a long way since its prototype in 1876. The latest model of telephone requires no external wiring, fits in your pocket, takes dictation, and answers any question in seconds. For most of us, our compulsion to look at that little screen is so powerful that we can’t go for any more than a few minutes without checking it. Smartphones have gained so much significance in our lives that choosing one is a little like choosing a religion. Our preference for either an iPhone or an Android model seems to suggest something fundamental about who we are. Smartphone is a combination phone having computer, web browser, camera, GPS etc and therefore, if you lose your smartphone, you lose everything. There are three screens of the ‘Digital Lifestyle’ in the […]


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