This book is an outcome of author’s experience in teaching the subject over a decade at MLI Sc level. The first edition was published in 1998. This is the second thoroughly revised and enlarged edition. The increase in the number of pages from 363 (edition 1) to 685 (in edition 2) indicates the extent of r4evision. There are 34 chapters grouped in 6 parts, namely, A : basic Concepts, B: Information Communication; C: Information Technology and its Application; ...
