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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 is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
What are the advantages of using testing tools? The advantages of testing tools are: They get better the productivity and quality of software development. Help in i
Introduction Energy consumer in the computer system is getting critical all around the globe now. Therefore, the ability to figure out the components that consume energy in sys
RAD Model Rapid Application Development Model is the method of incremental model. Achieves the high speed development using component based construction. Phases
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
What is Random testing? Random testing is also referred as adhoc testing. As the tester can give the out of coverage data and the stability of an application is checked, whethe
List the guidelines for data design. i. Apply systematic analysis on data. ii. Determine data structures and related operations. iii. Establish data dictionary. iv. Us
Determine the Latest trend in software engineering Latest trend in software engineering includes the concepts of software reusability, reliability, scalabilityetc. More and mo
What is Parkinson's Law? Parkinson's Law states that work expands to fill the time available. The cost is fixed by available resources rather than by objective assessment.
What are the various testing strategies for conventional software? i. Unit testing ii. Validation testing. iii. Integration testing. iv. System testing.
What is quality control? Ans) Quality control means to preserve the quality of product by measuring their content , different physical parameters.
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