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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 is meant by software change? Software change is termed as the change in nature of software as the requirements of software changes.
Software Quality Assurance and Software Quality Control SQA verifies if the process that is followed to form a product is effective and does not have process defects while SQC
Important factors related to library storage operation: It is essential to consider some important factors related to library and information storage and retrieval operations
Q. Show the cost drivers used in COCOMO model? A variety of attributes of cost drivers used in COCOMO model are: 1. Physical attributes : These are worried with required
What are the elements of Analysis model? i. Data Dictionary ii. Data Flow Diagram iii. Entity Relationship Diagram iv. State Transition Diagram v. Process specifica
Applicability: It is another significant characteristic of a model. The model should be judged by its degree of applicability across software products that change in size, structu
What are the two levels of testing? i. Component testing Individual components are tested. Tests are produced from developer's experience. ii. System Testing The group
It should include all the theory that you need to complete the requested design, and all the simulation documents that you produce after synthesizing the circuit. Briefly, your rep
What are the types of Software system requirements ? Functional requirements: Services the system should be required. Non-functional requirements: Constraints on the servi
Describe the method of Technical documentation This usually comprises: - Program listing/coding - Programming language(s) used - Algorithm/Flowchart - Purpose o
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