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Q. Classes of data items in a data dictionary?
There are three classes of data items in a data dictionary
1) Data element- It is the smallest unit of data that cannot be meaningfully decomposed further. Example- Employee number and so on.
2) Data structure is a group of data elements forms a data structure.
3) Data Flows as well as Data Stores- data flows are data structures in motion whereas data stores are data structures at rest.
Data validity is the reasonableness and correctness of data.
design steps
This is a explanation of whether or not certain processing conditions use many storage [memory] than estimated.
What is the advantage of using prototype software development model instead of waterfall model? The waterfall model: This is the classic SDLC model, with a sequential and line
I need help two thing 1-understand how can I programme rabbit 4000 2- do labs set for Rabbit 4000
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What is software prototyping ?
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Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
What are the advantages and disadvantages of size measure? Advantages: Artefact of software development which is simply counted. Many existing methods use LOC as a key input. A
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