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

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Questions

What is QA?

What is application development?

Explain how structure charts are used in application development.

Should classes be tightly coupled or loosely coupled in OOD? Explain why.

What is pair programming?

What role do IDEs play in coding?

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

What are the differences between program, system, operations, and user documentation?

What is the role of online documentation?

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