System Analysis and Design: System Design and it’s Classification-System Pyramid 3 level or 4 level Architecture of System.<\/p>\n
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Sure! Here’s a clear and simple explanation of System Design and its Classification<\/strong>, along with the System Pyramid Architecture<\/strong> used in System Analysis and Design<\/strong>:<\/p>\n \ud83c\udfaf Focus:<\/strong> System Pyramid \u2013 3-Level or 4-Level Architecture<\/p>\n System Design<\/strong> is the process of defining the architecture, components, modules, interfaces<\/strong>, and data<\/strong> for a system to satisfy specific requirements.<\/p>\n It comes after system analysis<\/strong> and aims to convert business requirements into technical solutions<\/strong>.<\/p>\n System design is broadly classified into:<\/p>\n Focus: What<\/strong> the system must do<\/p>\n<\/li>\n Includes:<\/p>\n Inputs & outputs<\/p>\n<\/li>\n Data flow diagrams (DFDs)<\/p>\n<\/li>\n Logical relationships<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n Focus: How<\/strong> the system will perform tasks<\/p>\n<\/li>\n Includes:<\/p>\n Hardware\/software specification<\/p>\n<\/li>\n Database design<\/p>\n<\/li>\n Screen layouts & reports<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n A System Pyramid<\/strong> shows the hierarchy of information systems<\/strong> in an organization.<\/p>\n
\n\ud83d\udcd8 Subject: System Analysis and Design<\/strong><\/h2>\n
\ud83e\udde9 Topic: System Design & Its Classification<\/strong><\/h3>\n
\n\ud83e\udde0 What is System Design?<\/strong><\/h2>\n
\n\ud83d\udd0d Types (Classification) of System Design<\/strong><\/h2>\n
1. Logical Design<\/strong><\/h3>\n
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2. Physical Design<\/strong><\/h3>\n
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\n\ud83c\udfdb\ufe0f System Pyramid Architecture (3 or 4 Levels)<\/strong><\/h2>\n
\n\u2705 Option A: 3-Level Architecture<\/strong><\/h3>\n
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\n \nLevel<\/th>\n Type of System<\/th>\n User Level<\/th>\n Purpose<\/th>\n<\/tr>\n<\/thead>\n \n Top<\/strong><\/td>\n Strategic Level (EIS)<\/td>\n Executives (CEO)<\/td>\n Long-term planning & forecasting<\/td>\n<\/tr>\n \n Middle<\/strong><\/td>\n Tactical Level (MIS\/DSS)<\/td>\n Managers<\/td>\n Medium-term decisions & analysis<\/td>\n<\/tr>\n \n Bottom<\/strong><\/td>\n Operational Level (TPS)<\/td>\n Staff\/Workers<\/td>\n Day-to-day transaction processing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u2705 Option B: 4-Level Architecture<\/strong> (more detailed)<\/em><\/h3>\n
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\n \nLevel<\/th>\n System Type<\/th>\n User<\/th>\n Example<\/th>\n<\/tr>\n<\/thead>\n \n 1. Strategic<\/strong><\/td>\n Executive Information System (EIS)<\/strong><\/td>\n Top Executives<\/td>\n Annual reports, Forecasting<\/td>\n<\/tr>\n \n 2. Tactical<\/strong><\/td>\n Decision Support System (DSS)<\/strong> \/ MIS<\/td>\n Middle Managers<\/td>\n Sales trends, Budget planning<\/td>\n<\/tr>\n \n 3. Knowledge<\/strong><\/td>\n Knowledge Work System (KWS)<\/strong> \/ Office Automation<\/td>\n Knowledge workers<\/td>\n CAD, Word Processing<\/td>\n<\/tr>\n \n 4. Operational<\/strong><\/td>\n Transaction Processing System (TPS)<\/strong><\/td>\n Front-line staff<\/td>\n Billing, Payroll, Order Entry<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\ud83e\udded Visual Summary: System Pyramid (4-Level)<\/h2>\n