Exam 1 Study Guide
Exam 1 Study Guide IT 261
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This 3 page Study Guide was uploaded by Katie Christopher on Monday September 28, 2015. The Study Guide belongs to IT 261 at Illinois State University taught by Pruthikrai Mahatanankoon in Summer 2015. Since its upload, it has received 85 views. For similar materials see Systems Developement I in Information technology at Illinois State University.
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Date Created: 09/28/15
IT 261 Exam 1 Study Guide Roles of System Analyst To create VALUE within a company 0 IT increases value Follow a methodology in order to make the most value The middle man between the IT team and the clientcompanyowners of a company Approach to problem solving 1 Gather Info 2 Brainstorm possible solutions 3 Implement 4 Examine results 0000 Information system collection of related components collect process and output information needed to complete business tasks Subsystems include 0 Customer relationship management 0 Accounting and nancial system management 0 Manufacturing management 0 Human resources management Inside system boundary is the manual tasks that are completed by people 0 Also inside is automation boundary which are tasks completed by a computer SDLC Processes 1 System vision documentation written document outlining problems and systems planned capabilities 2 Project planning outlining development timeresources 3 Understanding details preliminary fact nding development of use cases and classes 4 Design system components assigning attributes to classes actual coding 5 Completed system testing and deployment of system System Requirements and Work ow Modelling Strategic Plan Technology architecture Application architecture planning System Requirements Functional Nonfunctional 0 Functional activities system MUST perform Generating payroll tracking inventory processing payments etc o Nonfunctional other system characteristics Outside compatibility security etc FURPS Functional requirements 0 Usability requirements 0 Reliability requirements 0 Performance requirements 0 Security requirement 0 even more categories Stakeholders lnternal people within organization External people outside organization Operational people who regularly work with system Executive people who use information or have nancial interest in system Models and Modelling Best way of capturing requirements Follow UML Uni ed Modelling Language ModeB Lise lEase I iJsepase Easter Hm DWI at DWI HDLHI TIHHW ssineludesee Base ease uses steps trpnquot anptner use Base Case H39 ease as part at a sequence Included Case extends Estensipn eases pena iridr is inserted intd pase ease matting new use ease by adding steps tp resisting pne Base Gage Estensipn Case wetlands quot Base ease eanndt nappen unless dependent ease nas already nappened V Dependent Base Case Base Gage iEien39iain Glass Cine and DF39IIF Cine or mere ii at tine III or mere 1quot i IIIi iE39 Cipieet D t 1 Cipieet 31 U a Cipieet i i i i Attributes 39 Httriputes 39 Attributes 39
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