What is an e-r diagram- describe the symbols used in
1. What is an E-R diagram?
2. Describe the symbols used in constructing E-R diagrams.
3. What is a table of entities and activities?
4. Which entities in a narrative are included in the context diagram as internal and which are shown as external?
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as part of a study for the department of labor statistics you are assigned the task of evaluating the improvement in
1 data flow diagrams and flowcharts provide redundant pictures of an information system we dont need both discuss2 it
1 describe a situation in your daily activities working or not where you have experienced or employed controls
1 when do we have a choice as to what will be included in a context diagram2 which activities can be included in the
1 what is an e-r diagram2 describe the symbols used in constructing e-r diagrams3 what is a table of entities and
determine the interconnectivity of each of the four it business management domains explain how each domain impacts the
discussionreview the course material and other literature on the keys issues and trends in itdiscussion questions1
1 what is the difference between a context diagram a logical dfd and a physical dfd2 what is a systems flowchart3 what
1 why do we need to document an information system2 what is a physical data flow diagram dfd3 what is a logical data
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