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There is a dearth of good books for reference purpose, for the aspirants of

Computer Sc. At degree level examinations. Hence, this book, A work of worth

to say the least .This Text book is designed to serve as a guide for all the

aspirants ready to appear in B.C.A. examinations .It is strictly in accordance

with Jammu University Syllabus.

It is an attempt to fulfil the requirements of BCA Students .This book should

serve as a complete revision tool and reference material, for the examination

preparation.

There are still many ways in which the presentation of this book can be further

improved. The valuable suggestions for further improvement of the book will be

gratefully accepted.

All efforts have been made to avoid errors but despite of it some errors have

crept in inadvertently. The readers are requested to write in this regard.

The undersigned is confident enough that this ready to refer book would prove

to be beneficial for all its readers.