If you want top grades and thorough understanding of electronic communications in less study time, this powerful study tool is the best tutor you can have! It takes you step-by-step through the subject and gives you accompanying problems with fully worked solutionsÑplus hundreds of additional problems with answers at the end of chapters, so you can measure your own progress. You also get the benefit of clear, detailed illustrations. Famous for their clarity, wealth of illustrations and examplesÑand lack of tedious detailÑSchaumÕs Outlines have sold more than 30 million copies worldwide. This guide will show you why!