Question: course name : Information Systems Analysis and Design i need new and unique answer please use own words please don't copy and paste please read

course name : Information Systems Analysis and Design

i need new and unique answer please use own words please don't copy and paste

please read the questions carefully

course name : Information Systems Analysis and

1. Briefly discuss how DFDs can be used as analysis tools. 2. What is meant by DFD completeness? What is meant by DFD consistency? 3. Identify several types of maintenance. 4. To measure maintenance effectiveness, what three factors must be measured

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