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1). What is an elementary data element? How does it compare with a functional primitive? 2). Compare the advantages and disadvantages of each of the
1). What is an elementary data element? How does it compare with a functional primitive?
2). Compare the advantages and disadvantages of each of the following process specification formats:
Pseudocode Case Pre-post Condition Matrix
3).What is an entity? How does it relate to a data store of a DFD ?
4). What establishes a relationship between two entities?
5. Define the term association.
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