The book introduces fundamental computer knowledge and application examples in plain language, deliberately selected skills and vivid examples. The book is divided by 14 chapters in 5 parts, including rudimentary knowledge, learning to use keyboard and mouse, rudimentary operation of Windows 7, easy Chinese typing, managing data in computer, setting up personal system, common attachment of Windows 7, fundamental operation of Windows 2010, Excel 2010 and PowerPoint 2010 ; it also introduces how to surf the internet, send email,chat and communicate online, commonly-used tools software as well as the internet safety.