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Incorporating changes in an existing system to enhance, update, or upgrade its features.

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Incorporating changes in an existing system to enhance, update, or upgrade its features.

(a) Maintenance

(b) Evaluation

(c) Deployment

(d) Validation

I had been asked this question in exam.

My question comes from Program Errors topic in chapter System Implementation and Operation of Computer Fundamentals

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Correct option is (a) Maintenance

The best explanation: The Process of incorporating changes in an existing system to enhance, update, or upgrade its features is called system maintenance. On an average, maintenance cost of a computerized system is two to four times more than the initial development cost.

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