In this we use an integrated development environment  in which the processes and tools are coordinated to provide developers an orderly interface to and convenient view of the development process (or at least the processes of writing code, testing it, and packaging it for use). An example of an IDE product is Microsoft's Visual Studio .NET. The term -assisted software environment (CASE)</ is generally used to describe a set of tools and practices that facilitate management of a software development project.
According to programmer point of view software is a set of instruction that when executed provide desired output, but software is much more from that. Today’s software’s impact on our society and culture continues to be profound. As its importance grow, the software community continually attempt to develop technologies that will make it easier, faster, and less expensive to built high quality software. Some of these technologies are targeted at specific application domain for example MS-Office, other focus on technologies domain like ATM,OOPS and other are O.S.
Building a product or software, its important to go through a series of predictable steps – just like road map which help to create a timely and high quality result.
Series of activity for software development are as follows: