Аннотация:Proceedings of the 3rd International Conference on Computer Technology and Development (ICCTD 2011) held in Chengdu, China during November 25–27, 2011. The aim objective of ICCTD 2011 is to provide a platform for researchers, engineers, academicians as well as industrial professionals from all over the world to present their research results and development activities in Computer Technology and Development . This conference provides opportunities for the delegates to exchange new ideas and application experiences face to face, to establish business or research relations and to find global partners for future collaboration.