Define unit testing, integration testing, and system testing. What is the difference between a syntax and a logic errorr? Give an

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Define unit testing, integration testing, and system testing. What is the difference between a syntax and a logic errorr? Give an example of each type of error.

In this assignment, you are asked to define unit testing, integration testing, and system testing and explain the difference between a syntax and a logic error and give an example of each type of error. Also, List and describe the four system changeover methods, the five pieces of information usually included in the final report to management, and the 4 classification of maintenance and provide an example of each. Finally, include 4 indications that an information system is approaching obsolescence. Present relevant answers and give required examples.  

Question 1
Define unit testing, integration testing, and system testing. What is the difference between a syntax and a logic error? Give an example of each type of error.
Question 2
List and describe the four system changeover methods. Which is generally the most expensive….the most risky? Why?
Question 3
List and describe the 5 pieces of information usually included in the final report to management.
Question 4
List and describe the 4 classifications of maintenance and provide an example of each. Who typically initiate these requests?
Question 5
List 4 indications that an information system is approaching obsolescence.