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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.
what are draw backs or disadvantages of waterfall model
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
Give the example of the mechanics of structured analysis
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
Define the computer based system. The computer based system can be explained as "a set or an arrangement of elements that are organized to accomplish some predefined goal by pr
What is Top-Down Strategy? Ans) Top down integration is basically an approach where modules are produced and tested starting at the top level of the programming hierarchy and re
What are different severity ratings in a project? There can be 4 types of severity ratings in a table: i.) Severity 1 - Showstoppers - Don't allow application to move at
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
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