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Describe the various elements of data design?
i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are changed into data structures and data bases at the application level.
iii. Data warehouses - At the business level useful information is identified from various databases and the data warehouses are created
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 bub
What is Defect Analysis? Ans) Using defects as data for regularly quality improvement. Defect analysis usually to classify defects into categories and recognize possible causes
what effect does memory have on dma? what about on board cache? how much are the system buses available?
Explain Metrics assumptions of Software metrics Software metrics A software property can be calculated. The relationship exists among what we can measure and what we
Q. Applicability with reference to software reliability models? Applicability : It is another important characteristic of a model. The model must be judged by its degree of a
Q. Define Software testability? Software testability is the degree to which a software artifact (i.e. a software system, software module, requirements- or design document) su
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
Structure of design It allows the decomposition of a large system into smaller, more manageable units with well explained relationships to the other units in a system. N
What are dynamic testing tools? Dynamic testing tools: 1: coverage analyzers (execution verifiers 2: output comparators 3: Test data generators: 4: Test file gen
What is regression testing? Regression testing is the re-execution of some subject texts that have previously been conducted to make sure that changes have not propagated unin
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