Dr Rajiv Desai
An Educational Blog
ENTERTAINMENT
ENTERTAINMENT: _ _ Prologue: Most of us have, at some point, become so immersed in a book or game or movie that the activity temporarily assumes a profound significance and the importance of the outside world begins to fade. Although we are likely to enjoy these experiences in the realm of entertainment, we rarely stop and think about what effect they might be having on us. But maybe we should. For all that has been written about individual pop icons, movie stars, sport stars and sitcoms, and the liberating or oppressive power of popular culture, basic questions remain unanswered. What do we know about the overall effect of living in a society in which entertainment is so central? What do we know about how entertainment affects society and the people who participate in it? Why entertainment activities are so important to us, yet frequently dismissed as being unworthy of […]
THE COMPUTER AND INTERNET
THE COMPUTER AND THE INTERNET: Prologue: Millions of people read my comments on internet and yet,majority of them have very little knowledge of computer/internet and hence I am posting this comments to educate them. Today,we live in computer age,the computers are found everywhere and it has created global awareness. Computer is defined as a programmable machine that computes(stores,processes and retrieves) information(data)according to a set of instructions(program). Church-Tuning theory of mathematical versatility suggests that any computer with certain minimum capacity,in principle, can perform the same task that any other computer can perform. Computers are of 2 kinds,analog and digital. Analog computer is slower,having continuous inputs and uses mechanical devices like gear/rachet/lever to perform mathematical task, for example,speedometer in a car or electricity meter in house etc.It translates variables in a given problem into analogous variations in electrical quantity like current/voltage and solve original problem by solving an equivalent problem(analog) in electrical […]
