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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 Software development models Software Engineering deals with development of software. Thus, understanding the basic characteristics of software is essential. Softw
Determine the Level 4 of key process areas Level 4 KPAs: 1) Quantitative Process Management (QP): It states quantitative standards for software process. 2)
Why is maintenance of a software important? The alteration of a software product, after delivery, to correct faults, to improve performance or other attributes, or to adapt th
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity should be maintained .ie, input & output to each
State the function of Functional model Functional model: This defines operation which the system must implement. For every operation, from analysis model must be assigned al
structured analysis
The sudden and finish failure of a computer system or component.
Write short notes on estimation models. Empirical estimation models can be used to complement decomposition techniques and present a potentially important approach in their own
Regression testing It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side effect
Question: Advanced Buttons and Event Detection. a. With two ways to assign event handlers to buttons, which one do you preferably use and why? on(press) vs. onPress b. Wh
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