You can download the text books for any class by using the following link.. http://tnschools.gov.in/textbooks 12th Computer Application-Study materialDownload Chapter 1- Multimedia and Desktop Publishing (Prepared by Gowri Shankari mam) Part-1 Multimedia and it's components Part-2 Part- 3 Part- 4 Part-5 Part-6 Chapter 1- Multimedia and Desktop Publishing (Other videos) Image file formats Audio file formats Video file formats Chapter 2- An Introduction to Adobe Pagemaker (Prepared by Sophiya mam) Part-1 Part-2 Part-3 Part-4