D.P. Nagpal 2015 Computer Fundamentals Concepts, Systems and Applications D.P. Nagpal - Revised Edition - New Delhi S,Chand and Company PVT Ltd 2015 - iii, 896p Includes Glossary and Index 24cm ill(not coloured) ISBN: 9788121923880 LC Class. No.: QA76.5 / .N34 2015