Computer Architecture is the set of pre-defined rules and methods that describes the functionality of computer system. In other words, a computer consists of both hardware and software and using some rules and methods for the interaction of both hardware and software of a computer is known as computer architecture. Copy the link given below and paste it in new browser window to get more information on Computer Architecture:- http://www.transtutors.com/homework-help/computer-science/computer-architecture/