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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.
Determine the primary activities of spiral model Below are the primary activities in this model: • Finalising Objective: Objectives are set for the particular phase of the
What are the three activities of risk assessment? Ans: The three activities are analyzing, identifying and giving priorities. Risks are able to be identified by a check list
Quality Assurance Quality assurance is an activity that establishes and evaluates the processes that produce products. Quality assurance would calculate processes to identify w
After users are authenticated, what measures can be employed in order to maintain security when users are away from their computers? 2. Discuss ways in which the use of strong au
Describe about the Environmental model It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if softw
The process of evaluating a program based on implementation of that program. Dynamic analysis approaches rely on implementing a piece of software with selected test data.
The spiral model of software development Contains project risks evaluation during every iteration
Explain the CAPABILITY MATURITY MODELS Process models are based on various software development phases while capability models have an entirely different foundation of developm
Define Brooks law. Software was delivered late, was defective, cost several times the original estimates and often showed poor performance characteristics.
What are the various testing activities? i. Test planning ii. Test case design iii. Data collection iv. Test execution v. Effective evaluation
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