Question: 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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