Units 1,2-8086,instructions,etc

http://www.megaupload.com/?d=MOIYH23C



Units 3-DMA,Timing Diagrams,Interfacing Ram and Roms

http://www.megaupload.com/?d=4W3ROOPY



Unit 4-8255,ADC,DAC etc

http://www.megaupload.com/?d=I9X6DYH3



Units 6 - Synchronous and Asynchronous Data Transfer

http://www.megaupload.com/?d=7BU93W4A



Units 8 - Micro Controller 8051

http://www.megaupload.com/?d=YX8L2QZF

Extra Notes
http://www.megaupload.com/?d=18ZNB4LC