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Software EngineeringDesign the following for an 'E-commerce solution for an electronic products company' that gives choice to the users to select a/few product(s) from the available range, order them and allow to make the payments online: (i) Design the DFDs (level-0, 1 and 2). (ii) Prepare SRS document. List assumptions, if any. (iii) Design an ER-diagram. List all the entities, attributes, key constraints and cordiality. (iv) Draw a Gantt chart. (v) Specify the s/w engineering pre-design which suits this application development.20207mSoftware EngineeringDesign the following for an 'E-commerce solution for an electronic products company' that gives choice to the users to select a/few product(s) from the available range, order them and allow to make the payments online: (i) Design the DFDs (level-0, 1 and 2). (ii) Prepare SRS document. List assumptions, if any. (iii) Design an ER-diagram. List all the entities, attributes, key constraints and cordiality. (iv) Draw a Gantt chart. (v) Specify the s/w engineering pre-design which suits this application development.20207mDatabase Management SystemConstruct an *E-R diagram* for a university registrar's office. The office maintains data about each class, including the instructor, the enrollment, and the time and place of the class meetings. For each class pair, a grade is recorded. Document all assumptions that you make about the mapping constraints.202014mSoftware EngineeringConstruct a DFD for an online library system that supports registration, book search, issue/return and fine calculation. Show the major data stores and external entities.20267m
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