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What is data modeling?
Data modeling is the basic step in the analysis modeling. In data modeling the data objects are explained independently of processing. The data model shows how data are related with one another.
Q. Explain Iterative Enhancement model? This model incorporates modification in the software based on the analysis of the existing system. As well the complete documentation of
Question: a) A firewall will be classified according to which layer of the OSI model the protection is at. Using this classification, explain the different types of firewalls.
Determine the concept of Concurrency The basic concept in computer programming is concept of handling more than one task at a time. Many programming problems need that the pro
Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
Problem: a) Assume a washing machine. List all possible states of the washing machine. Draw a state diagram showing also the events triggering the change of states where poss
Hard drive has space, but it keeps telling me that its full and asks me to delete files. I checked. There is nearly full C drives (8GB) but when i am open c drive and check than ne
What does it mean by software re-engineering ?
Q Distinguish software faults and software failures? Ans: In case of a failure a software doesn't do what the users expect, a fault is a programming bug that may or mayn't act
What is bottom-up approach? System developed beginning from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
Give the procedure of the Delphi method. 1. The co-ordinator shows a specification and estimation form to each expert. 2. Co-ordinator calls a group meeting in which the exp
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