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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it
What are the advantages of evolutionary prototyping? i. Fast delivery of the working system. ii. User is included while developing the system. iii. More useful system can
A group process for generating original and diverse ideas.
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
Sequential circuit:- A sequential circuit is an interconnection of gates and flip-flops. The gates by themselves constitute a combinational circuit, but when contained with th
Explain incremental model? The incremental model is proposed by D.L PARNAS. It is basically executed by combining elements of linear sequential model and iterative prototyping
Q. For the structural chart given in fig.1 calculate the Information Flow index of individual modules as well as whole software. Total information flow = IF (main) + IF (A
Question 1 Give the classification of computers and explain them briefly Question 2 Give the overview of application software Question 3 Explain the three main types of
State about the Data Dictionary This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD
What are the different architectures developed during BPE? Data architecture àframework for the information needs of a business. Application architecture à incorporates the
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