What are the advantages of software maintenance, Software Engineering

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What are the advantages of Software maintenance

Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of capabilities and optimisation. Thus once the software becomes operational, whatever changes are done are called as maintenance. As software requirement change continuously, maintenance becomes a continuous process. Practically the cost of software maintenance is far more than cost of software development. It accounts for 50% to 80% of total system development costs.

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