hi i am doing my B.E (final yr).i ma going to do my final project on ARM 9 based web server.. may i know the details of cost of ARM9 which uspports web server ...
Keil make software tools - not chips!
Therefore, to find the cost of a chip, you need to speak to a chip supplier - not Keil!
"ARM9 which uspports web server"
Your first task - as part of your project - is to define the rquirements of your "web server"
Once you know those requirements, you can look for chips which meet those requirements. The Keil website can help you here - see: http://www.keil.com/dd/search_parm.asp
Note that it is entirely possible to have a (relatively simple) web server on an 8051...