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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.
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
Illustrate the use of the concept Encapsulation.
Question: (a) Name two agent-oriented programming languages. (b) Distinguish between communication protocols and interaction protocols for agent systems. Give two example
program for full subtractor?
Question 1: Prepare a short note on technology strategy. Explain in brief about the innovation management. Question 2: What is Research and Development (R&D), and how i
A consistent measure of software size based on user needs.
Describe the various elements of data design? i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data di
Draw an E-R diagram for the following situation: an account is a relationtion between cutosmer and bank. A customer had a name.
Q. How the Class concept used in Software Engineering? Class:- A class encapsulates data and procedural abstractions required to describe the content and behavior of some real
Data accuracy Don't collect redundant data The questions to be answered should be decided in advance and the needed data identified. Tell people why the data is being co
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