Many thanks to Trupti More, Spoken Tutorials Project, IIT Bombay for confirming S.D.M College of Engineering & Technology, Dharwad, Karnataka as a RESOURCE ( R obust E xtensions for S poken T utorial project on O pen S ource S oftware U sage for R ecruitment, C ommunity and E ducation) center for promoting the Spoken Tutorial project, one of the Talk to a Teacher projects supported by NMEICT, MHRD, Govt. of INDIA. Many thanks to : Prof. Dr. S Mohan Kumar, Principal, SDMCET, Prof. Jayateerth Vadavi - Head, CSE, SDMCET Prof. Umakanth Kulkarni - NBA Co-ordinator, TEQIP Internal Auditor, SDMCET Prof. Ravindra Dastikop - Placement Officer, SDMCET Spoken Tutorial Team @ SDMCET Prof. Govind Negalur, CSE, SDMCET Prof. Anand Pashupatimath, CSE, SDMCET Prof. Aijaz Qazi, CSE, SDMCET Prof. VIshal Kulkarni, CSE, SDMCET Prof. Indira R U, CSE, SDMCET Many thanks to students of CSE Dept, 2011-2015 and 2012-2016 batch who supported spoken tutorials by undergoi