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Feasibility Studies

 

            
             A feasibility study investigates the practicality of the proposed solution, it asks the question "is it suitable?", the difference between feasibility & ability is that of possible versus suitable.
             A feasibility study examines.
            
             • Financial feasibility.
            
             • Technical feasibility.
            
             • Scheduled feasibility.
            
             • Operational feasibility.
             Choosing a solution.
             For a proposed solution the feasibility study will recommend wether or not it is suitable. If two or more different proposals are considered feasible, then a choice has to be made. Normally the users (usually management) will decide which solution fits best their needs.
             Reasons given for choosing one alternate over others may include difference in:.
            
             • Costs - if all other things are equal , then it will be hard to justify choosing a more expensive alternative.
            
             • Implementation - getting a system operational quickly can be important , but not if it affects other outcomes. What is the advantage of a system that can be installed and operating in a few weeks if it will take several months to train the staff to use it.
            
             • Staff Expertise - a system that can use existing staff resources may be preferable, both socially & financially, to one that will require the use of outside experts.
            
             • Flexibility & Future Expansion - all systems have a limited useful life. A solution that can extend its life by meeting changing needs and future expansion demands will save considerable time and money in the future.
            
             •Complexity A simpler solution that meets all the requirements is often a better solution.
             The final decision will often depend on negotiations and discussed involving several of these points:.
             Once a decision has been made, a functional specification is usually prepared. Table 1.3 summarises a typical specification for a company that is about to introduce an e-commerce (Internet trading) system for customer orders and product information.


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