introduction to systems analysis and design ebook free download

... Trang 1Chapter 1:Introduction to Systems Analysis and Design Trang 2• Understand the fundamental systems development life cycle and its four phases. • Understand the evolution of systems Trang ... us? Where and when will it be used? Trang 9SDLC: Design1 Develop a design strategy 2 Design architecture and interfaces 3 Develop databases and file specifications 4 Develop the program design How ... Waterfall Parallel Phased Prototyping Throwaway Prototyping Extreme Programming Trang 23Object-Oriented Analysis & Design• Attempt to balance emphasis on data and Trang 24THE UNIFIED PROCESSTrang

Ngày tải lên: 16/05/2017, 13:42

... Same as candidate 1 Same as candidate 1 Trang 24Feasibility Analysis Matrix – a tool used to rank candidate systems. Weighting Candidate 1 Candidate 2 Candidate 3 Trang 25Sample Feasibility Analysis ... servers and workstations (clients) Same as candidate 1 Same as candidate 1 Software Tools Needed Software tools needed to design and build the candidate (e.g., database management MS Visual C++ and ... 20Candidate Systems MatrixCandidate 1 Name Candidate 2 Name Candidate 3 Name Stakeholders Knowledge Processes Communications Candidate Systems Matrix – a tool used to document similarities and

Ngày tải lên: 16/05/2017, 14:46

... (RAD) – a systems design approach that utilizes structured, prototyping, and JAD techniques to quickly develop systems – The merger of various structured techniques to accelerate systems development ... owners, users, designers, and builders During the JAD sessions for systems design, the systems designer will take on the role of facilitator for possibly several full-day workshops intended to address ... Requirements and features 1 Mandatory requirements, features, and criteria 2 Essential requirements, features, and criteria 3 Desirable requirements, features, and criteria 1 Mandatory requirements,

Ngày tải lên: 16/05/2017, 14:46

... data stores, and data flows that share similar design characteristics. – A design unit serves as a subset of the total system whose inputs, outputs, files and databases, and programs can be designed, ... Trang 48that are assigned to that processor.• All but simple processes should be factored into design units and modeled as a more detailed physical DFDs. Trang 49Design UnitsDesign unit – a self-contained ... a specification of the technologies to be used to implement information systems The blueprint to communicate the following design decisions: – The degree to which the information system will

Ngày tải lên: 16/05/2017, 14:46

... definition of how: – Files and databases are to be developed and used to store data – The file and/or database technology to be used – The administrative structure set up to manage the data resource ... that can be shared to maintain consistency • Audit files – Special records of updates to other files Trang 8File and Table Design• Older file design methods required analyst to specify precisely ... databases, data warehouses, personal databases, and work group databases. • Compare roles of systems analyst, database administrator, and data administrator. • Describe architecture of database management

Ngày tải lên: 16/05/2017, 14:46

... 14Output Design and Prototyping Output Design and Prototyping Trang 2• Identify several output implementation methods.• Differentiate among area, bar, column, pie, line, radar, donut, and scatter ... Zoned output places text and numbers into designated areas • Screen output – Graphic output is the use of pictorial charts to convey information and demonstrate trends and relationships that cannot ... bullets Trang 15Output Design with a Modern CASE Tool Trang 16Output Design with a Report Writer Tool Trang 17Output Design with a Report Writer Tool (continued) Trang 18Output Design Guidelines

Ngày tải lên: 16/05/2017, 14:46

... completing the form. • Minimize the amount of handwriting. • Data to be entered (keyed) should be sequenced top-to-bottom and right. left-to-• When possible use designs based on known metaphors. Trang ... capture, data entry, and data input. • Identify and describe several automatic data collection technologies. • Apply human factors to the design of computer inputs. • Design internal controls ... above. Data is entered o a touch screen display or handheld device Data entry users either touch commands and data choices or enter data using handwriting recognition On PCs, touch screen choices are

Ngày tải lên: 16/05/2017, 14:47

... command language that can be used to invoke actions – SQL • Mnemonic syntax is built around commands defined for custom information systems. – Commands unique to that system and meaningful to ... CertificateTrang 25Help Tool Tip, Help Agent, and Natural Language Processing Trang 26Help WizardTrang 27Automated Tools for User Interface Design & Prototyping • Microsoft Access • CASE Tools • Visual ... User Interface Design Trang 2• Understand role of operating systems, web browsers, and other technologies for user interface design • Apply appropriate user interface strategies to an information

Ngày tải lên: 16/05/2017, 14:47

... 17Object-Oriented Design and Modeling Using the UML Object-Oriented Design and Modeling Using the UML Trang 2• Understand entity, interface, control, persistence, and system classes. • Understand the concepts ... to Design Class Diagram• Add design objects to diagram • Add attributes and attribute-type information to design objects • Add attribute visibility • Add methods to design objects • Add method ... and gen/spec and aggregation relationships – Attributes and attribute-type information – Methods with parameters – Navigability – Dependencies Trang 29Transforming Analysis Class Diagram to Design

Ngày tải lên: 16/05/2017, 14:47

... by built and tested prior to programs that use that it. • Roles – Network designer • Designs LAN and WAN connectivity – Network administrator builds and tests • Network architecture standards ... synonym is systems development (more frequently used to describe the entire life cycle.) Systems implementation – the installation and delivery of the entire system into production – Day-to-day ... Companies, All Rights ReservedChapter 18 Systems Construction and Implementation Systems Construction and Implementation Trang 2• Explain the purpose of the construction and implementation phases of the

Ngày tải lên: 16/05/2017, 14:47

... deliverables, and automated tools that stakeholders use to develop and maintain information systems and software. A general problem-solving approach 1 Identify the problem. 2 Analyze and understand the ... 25Business Process RedesignBusiness process redesign (BPR) is the study, analysis, and redesign of fundamental business processes to reduce costs and/or improve value added to the business. – ... Internet to conduct and support day-to-day business activities Types of e-commerce and e-business – Marketing of corporate image, products, and services – Business-to-consumer (B2C) – Business-to-business

Ngày tải lên: 16/05/2017, 14:52

... approach an approach to systems analysis and design that completes each phase one after another and only once Iterative development approach an approach to systems analysis and design that completes ... engineering (CASE) – automated software tools that support the drawing and analysis of system models and associated specifications Some CASE tools also provide prototyping and code generation ... construction computer-• Design by prototyping – Incomplete but functioning applications or subsystems (called prototypes) are constructed and refined based on feedback from users and other designers Trang

Ngày tải lên: 16/05/2017, 14:52

... Facilities and equipment – includes all rooms and technology that will be needed to complete the project. • Supplies and materials – everything from pencils, paper, notebooks to toner cartridges, and ... path analysis to adjust schedule and resource allocations in response to schedule and budget deviations. • Manage user expectations of a project and adjust project scope Trang 4Projects and Project ... 2Objectives • Define the terms project and project management, and differentiate between project and process management. • Describe causes of failed information systems and technology projects. • Describe

Ngày tải lên: 16/05/2017, 14:53

... Trang 1Chapter 4Systems Analysis Trang 2• Define systems analysis and relate it to the scope definition, problem analysis, requirements analysis, logical design, and decision analysis phases. ... deleting, and changing pieces relative to the original system Trang 4Context of Systems AnalysisTrang 5Repository – a location (or set of locations) where systems analysts, systems designers, and ... 11Accelerated Systems AnalysisAccelerated systems analysis approaches emphasize the construction of prototypes to more rapidly identify business and user requirements for a new system. Prototype –

Ngày tải lên: 16/05/2017, 14:53

... requirements analysis to capture the interactions between a user and the system free of technology and implementation details – During requirements analysis, strive to identify and document only ... behavior of two actors initiating the same use case is extrapolated and assigned to a new abstract actor to reduce redundancy. – Other actors can inherit the interactions of the abstract actor. – Depicted ... main tasks of the actor? – What information does the actor need form the system? – What information does the actor provide to the system? – Does the system need to inform the actor of any changes

Ngày tải lên: 16/05/2017, 14:53

... Modeling and Analysis Data Modeling and Analysis Trang 2• Define data modeling and explain its benefits. • Recognize and understand the basic concepts and constructs of a data model. • Read and ... attributed entity relationship diagram and describe data structures and attributes to the repository. Trang 3Data Modeling Data modeling – a technique for organizing and documenting a system’s data ... vision and architecture for information systems • Identifies and prioritizes develop projects • Includes enterprise data model as starting point for projects • Data Modeling during Systems Analysis

Ngày tải lên: 16/05/2017, 14:54

... sub-• Every process to be factored should be factored into at least two child processes. • Larger systems might be factored into subsystems and functions. Trang 37Events and Use Cases • External ... NUMBER and SHIPPING ADDRESS (which is equivalent to ADDRESS) and optionally: BILLING ADDRESS (which is equivalent to ADDRESS) and one or more instances of: PRODUCT NUMBER and PRODUCT DESCRIPTION and ... and QUANTITY ORDERED and PRODUCT PRICE and PRODUCT PRICE SOURCE and EXTENDED PRICE and SUM OF EXTENDED PRICES and PREPAID AMOUNT and optionally: both CREDIT CARD NUMBER and EXPIRATION DATE An

Ngày tải lên: 16/05/2017, 14:54

... Object-Oriented Analysis and Modeling Using the UML Object-Oriented Analysis and Modeling Using the UML Trang 2• Define object modeling and explain its benefits • Recognize and understand the basic ... Discover objects and classes, and their relationships. Trang 3Introduction to Object Modeling Object-oriented analysis (OOA) – an approach used to 1 study existing objects to see if they can ... overly complex. 10.Connector – A letter inside a circle gives you another tool for managing complexity A flow coming into a connector jumps to the flow coming out of a connector with a matching

Ngày tải lên: 16/05/2017, 14:54

... Trang 1Chapter 1:Introduction to Systems Analysis and Design Trang 2• Understand the fundamental systems development life cycle and its four phases. • Understand the evolution of systems Trang ... us? Where and when will it be used? Trang 9SDLC: Design1 Develop a design strategy 2 Design architecture and interfaces 3 Develop databases and file specifications 4 Develop the program design How ... formalized approaches to implementing SDLCs • Object-Oriented Systems Analysis and Design (OOSAD) uses a use-case-driven, architecture-centric, iterative, and incremental information systems Trang

Ngày tải lên: 15/05/2020, 22:24

... Oriented Analysis and Design 12. Designing the Human Interface 13. Systems Implementation and Operation myriam.lewkowicz@u tt.fr 31 General Types of Information Systems Management Information Systems Types ... Information Systems Management Information Systems (MISs) Examples: Sales forecasting Financial management and forecasting Manufacturing planning and scheduling Inventory management and planning Advertising ... myriam.lewkowicz@u tt.fr 37 Information Systems that Span Organizational Boundaries Decision Support Systems (DSSs) Designed to support organizational decision making “What-if” analysis Example of a DSS tool: Microsoft...

Ngày tải lên: 04/11/2013, 19:15