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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 virtues of incremental model? i. The incremental model can be adopted when there are less number of persons associated with the project. ii. Technical risks can
Problem 1. Explain why the use of a standard high-level language does not guarantee that software will be portable across a range of machines 2. Draw possible data flow diag
Develop a domain model for the Case Study. Express your model with a class diagram, showing any inheritance and compositional relationships. For each of the two selected most es
What is CMMI framework? The CMMI framework is the present stage of work on process assessment and improvement that started at the Software Engineering Institute in the 1980s.
What is the difference among an implicit and an explicit conceptual model?
Q What is a modular system? List the important properties of a modular system? Ans: A modular system consists of well-defined manageable units to well-defined interfaces among
Q. Presume a program will experience a total of 200 failures. Preliminary failure intensity is 16 failure/ CPU hr. It has currently experienced 50 failures. Determine the following
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional requirements of the software. Te
State Procedural abstraction. A Procedural abstraction is a named series of commands that has a specific and limited function. Eg: Open Walk to the door, reach out & grasp
Lines of code (LOC) is a software metric used to calculate the size of a software program by counting the number of lines in the text of the program's source code. LOC is typicall
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