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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.
Repeated inheritance If a class inherits more than once from the same class then it is referred to as repeated inheritance.
Q. What are the objectives of software design? What are the objectives of software design? How do we transform an informal design to a detailed design? Ans Objectives of
Hoosier Burger''s food ordering system dfd and data dictionary
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
Difference between Pilot and Beta Testing. Pilot testing includes having a group of end users try the system prior to its full deployment in order to give feedback on its perfo
What is System Testing System Testing : This testing focuses on validating the product with respect to software specification Document. Methods like function testing (using Bl
What is Big-bang waterfall model? Big bang Model of S/w development is based on the big bang theory. A huge quantity of people, money and time are put together, lot of energy
The University needs to develop an online student registration system for new CAO entrants. This system will allow new students to enroll in their university course. Each student i
A consistent measure of software size based on user needs.
What are the phases of Problem solving Loop? Problem definition identifies the problem to be resolved. Technical development helps to resolve the Problem through various Te
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