The concept of the Direct Memory Acess(DMA) in Computer Organization was neatly explained by the Prof. S. Raman, Department of Computer Science and Engineering, IIT Madras Feel free to ask your questions and please contribute your ideas here... [video=youtube;3RfqkVyvnnc]http://www.youtube.com/watch?v=3RfqkVyvnnc&feature=BF&list=PL1A5A6AE8AFC187B7&index=26[/video]