This is your definitive guide to computing concepts! Motivate your students to reveal the relevancy of technology. "O'Leary, Computing Essentials 2011" provides you with a complete learning package, focusing on the most important and essential concepts of information technology. Students are given a streamlined, concise, attractive approach to the fundamental issues surrounding the world of computing. It has a balanced approach between theory and applied learning while highlighting the relevance of these important topics. All of the items featured with this text - including the end of chapter materials and the text websites - work together to help you truly understand the basics of computer concepts. This text also correlates with SimNet Online, our online training and assessment program for the Microsoft Office Suite and also computing concepts.