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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.
Define design process. Design process is a sequence of steps carried by which the requirements are translated into a system or software model.
Q. Explain about Spiral Model? The Spiral model is one of the well-liked model used for large projects. This model was projected by Boehm in 1988 and it focuses on minimizing t
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
What is Outputs? Ans) Products, services, or information supplied to meet end user requirements.
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
What does Data abstraction contains? A Data abstraction is a named collection of data that defines a data object Eg: door Attributes: door type, Opening mechanism, Swing di
Need to convert C code to assembly language
Give detail discussion about Black box testing. Black box or behavioural testing emphasis on the functional needs of the software. It is used during the last stage of tes
Evolutionary Development model. Evolutionary Development Model : Evolutionary development model resembles iterative enhancement model. The similar phases as defined for the w
How can we re-engineering of any product One additional difficulty in adopting this approach is large investment which exists in software system maintenance. It requires additi
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