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  System Analysis

Introduction of System Analysis

System  analysis is concerned  with  analysing system  with  a view  to  making  systems more  effective  either  by  modification  or by  substantial  redesign . the  system  involved  well invariably   be business  system , and usually  the computer system  will be  under consideration   as an id  for improving the  system operation. The term system  analysis  describe such  activities as operational   research (OR)  organisation  and methods (O&M) and  work study (WS).

With  the  advent  of the computer as a data processing  tool, system analysis has been  increasingly  applied  to the  techniques  how best to apply  the tool i.e.,  analysing the existing  situation of an organisation, in terms  of a system  of a system  and its subsystems.

The range  of tasks that come  within  the concept    of system  analysis is not clearly defined  .some  organizations  split the functions  of system  analysis and  system  design , by recruiting and training as  information analysts their own  divisional  staff. They are trained  to record  and analyse information on existing system, and to prepare specifications of requirements  for  proposed systems.

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During  the course of  fulfilling the system   development  many different  situations arise that must  understood  to facilitate the  decisions  on the  approaches, methods, strategies, technologies and development .the system to be development  may be either simple or complex, where the complex system  can be the  collection of the other small systems.  Such complex integrated systems is developed requiring the operation on the heterogeneous platform of hardware and software. And it quite possible that this development systems require maintenance to have some additions. Modification to have more features and enhancements.  This system may be old in terms of technology design and lacks flexibility requiring a higher maintenance cost.

With the fast changing business management practices and standards all over the world. The system is also changing faster. So the requirement is of robust design which is easy   to change user friendly easy to learn and understand.

Now in the present world. The system should be intelligent, self controlled and, managed action triggered, demanding the user attention in the extreme cases.  The system analysis and design have also become more complex to be more concentrated, more laborious. The system analysis is defined as:

System analysis is an important activity that takes place when new information   systems are being built or existing ones are changed.

Its most critical role is in defining the needs and requirements of the users. Can we answer the following question why are special activates, such as system analysis. Needed to build goods system?

When you are asked to computerise a system or build a new system them it is essential to analyze from different perspectives. System analysis (now also called as the business systems analysis) is required firstly to identify what is possible how the new system will perform the operations. So the problem is completely in understood by studying the overall application area. This nuclides the gathering of necessary data and developing models for new systems. Generally the interviews, observation, hand on experience consultations, discussions, reports manuals are used for data gathering. The system analysis must have the detailed knowledge of the existing e system, its weak and solid points, and the underlying reasons to restructure or replace the existing system. But is not an easy task to be done in the case of the large system because many people to be satisfied and many conflicts occur.

While satisfying such need, the analysis of the system is the basic requirement of an efficient system design. There are some system elements, given below which require the system analysis to be performed:

1.       System Objective

2.      System Boundary

3.      System    Importance

4.      Nature of the system

5.      Role  of the  systems as an interface

6.      User Participation

7.      Required Resources

8.     Assessment of Feasibility

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