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by Dinesh Thakur

Systems development on a large scale was first attempted by the US military in its Department of Defense (DOD) and by the National Aeronautics and Space Administration (NASA). They were therefore instrumental in developing the framework of a sequence of stages or phases for developing a system.

 
by Dinesh Thakur

Preliminary investigation is the first step in the system development project. It is a way of handling the user’s request to change, improve or enhance an existing system. System investigation includes the following two stages:

 
by Dinesh Thakur

In order to develop a system successfully, it is managed by breaking the total development process into smaller basic activities or phases. Any system development process, in general, is understood to have the following phases.

 
by Dinesh Thakur

In order to develop a system successfully, it is managed by breaking the total development process into smaller basic activities or phases. Any system development process, in general, is understood to have the following phases.

 
by Dinesh Thakur

The model states that the phases are organized in a Linear Order.  In other words, the output of one phase becomes the input for the next phase. Various phases have already been explained under a general model of system development. The different phases of the waterfall model are:

 
by Dinesh Thakur

There are two basic approaches for development of MIS :

 

a) System development life cycle : The system development life cycle have following steps of development :

 
by Dinesh Thakur

In order to develop a system successfully, it is managed by breaking the total development process into smaller basic activities or phases. Any system development process, in general, is understood to have the following phases