Question: List and describe the main tasks that are performed during systems implementation. What is ISO, and why is it important to a systems developer? Describe

List and describe the main tasks that are performed during systems implementation.

What is ISO, and why is it important to a systems developer?

Describe three main types of testing and the order in which they are performed.

What is the difference between an operational environment and a test environment?

List and describe the four main system changeover methods. Which one generally is the least expensive? Which is the safest? Explain your answers.

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