This is Computers and Communication Technology Part 1, a textbook of Computer Science, that is published by NCERT under the guidelines of CBSE. It is meant for the students who have chosen Computer Science as a subject in class XI in science stream. This book is prescribed in school and is essential for exam preparations.
About NCERT
NCERT (National Council of Research and Training) publish books for class I to XII under the guidelines of CBSE board which is followed by both public and private schools. It is one of the foremost education boards of India.

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