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Life Cycle of Information Systems

Sometimes, the information system in use by a business or an organization may no longer be efficient in meeting its purpose. Alternatively, advances in technology may have rendered then information system obsolete or the currently installed system may not be flexible enough to meet its objectives and expensive to maintain (Rainer & Cegielski 2009). To cater for any of the above shortcomings, it may be necessary to install an entirely new information system.

An effective overhaul needs to follow the Information Systems Lifecycle, which is the subject of this essay. The life cycle of an information system begins with the system analysis which consists of a feasibility study and an analysis of system requirements. If the project is feasible, the next stage in the design, where the information system specifics are established. After design, the system is implemented, which is the actual translation of design algorithms into a user interface or codes incase of computerized information systems.

The final stage in the life cycle of information systems is review and maintenance, which includes post-implementation evaluation, improvement and general maintenance (Rainer & Cegielski 2009). In the given scenario, the information system is failing since it cannot safeguard information. The birth of a new

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information system would start at an analysis to establish whether the photography printing store can foot the costs accruable in installing a computerized information system.

If the project is feasible, the attributes of the system and its requirements are determined before design begins. After the design algorithm is coded, it is tested for effectiveness and converted into an operational information system. The new information system is now up and running and in the last stage of the information system life cycle: review and maintenance. References Rainer, R. K. & Cegielski, C. G. (2009). Introduction to Information Systems: Enabling and Transforming Business. Hoboken, NJ: John Wiley & Sons.

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