Microprocessor 8253/8254 Timer Slides

Hello CSE people,
MP slides have been updated.
This is the link from where you can download the new Timer Slides of MP.
http://cid-cb3e0b1a1d880a68.skydrive.live.com/self.aspx/.Public/MP%208253^J54%20Timer%20Slides.ppt
These slides will be helpful for your 2nd sessional.