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What does Level0 DFD means?
Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bubble with input and output indicated by incoming and outgoing arrows.
Question: a) Draw a diagram showing the parts of an embedded system. b) Give the definition of an Embedded Computer. c) Discuss the similarities and differences between a
Encapsulation An object expresses the data and information it contains and supports a well described abstraction. Encapsulation leads to the separation of the interface and ex
Question 1 . What are the drawbacks of RAD Model Question 2 . Explain why reliability is more important than efficiency? Question 3 . What are the activities of funct
compare and contrast the advantages of verticle and horizontal structural partitioning?
Why software change occurs? Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need
Document interchange standards Interchange standards permit electronic documents to be exchanged mailed, etc. Documents are produced using dissimilar systems and on differe
What are the tools are mainly used for information gathering 1. Record review: A review of recorded documents of organisation is performed.Manuals procedures, forms and book
Draw an E-R diagram for the following situation: an account is a relationtion between cutosmer and bank. A customer had a name.
Aggregation between objects Aggregation among objects shows a relationship. It is a whole/part relationship. Aggregation might be implying containment.
Q. What is Test data generators? This is a difficult one as well as at least for the present is one for which no general solution exists. One of the practical problems with te
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