Astronomical growth in Information Technology has become an integral part of our lives, permeating all facets of human endeavour. Every discipline today employs information technology to facilitate and boost its productivity and communication. The internet, while revolutionising business beyond recognition in the past few decades, has also made personal information more accessible. In other words, …

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The internet is a large global network of computers which provides standardized facilities for storing and exchanging digital information. The internet dates back to 1960s, where it was a research project sponsored by the US Military. It gained prominence in the last decade of the twentieth century, by which time the commercial world had seen …

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