{ "item_title" : "Roller Coaster Control System", "item_author" : [" Manjunath Basavaiah "], "item_description" : "This technical write up is to Implement Roller coaster control system using Structured Analysis & Design concept with Waterfall Model & Object Oriented Analysis and Design Concepts with Unified Modeling Language(UML) in Rational Rose Real Time. Structured Analysis is a data-oriented approach to conceptual modeling; Common feature is the centrality of the dataflow diagram, mainly used for information systems. It is implemented using model E-R diagram, Context diagram, Data flow/Control flow diagram, Data dictionary & Test case is developed. Object oriented concepts are used in the analysis, Implementation and design phases, it provides a simple, powerful mechanism for identifying objects, the building blocks of software to be developed. It mainly concern with the decomposition of the problems in two parts & establishing a logical model to describe the system. UML is a Graphical language for visualizing, specifying, Constructing and document the software system. It is implemented using Rational Rose Real Time software. The system is developed to provide user comfortable activities.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/3/84/737/966/3847379666_b.jpg", "price_data" : { "retail_price" : "52.92", "online_price" : "52.92", "our_price" : "52.92", "club_price" : "52.92", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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