Communication Systems DRILL (400 plus Questions with Meticulous Solutions) Mechasoft Publishers feel pleasure to facilitate GATE/ ESE Aspirants, Engineering Students and Engineering Professionals, with an accelerated pace of learning, GATE/ESE aspirants of EE/EC/IN with a set of 400 plus questions together with meticulous solutions. The key idea is to bring the concepts of DIGITAL ELECTRONICS within the grasp of students and put them at natural ease to take competitive exams. 400 Plus problems with solution strictly for GATE/ESE. Recommended for EE/EC/IN/CS