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BUILDING INFORMATION SYSTEMS - CHAPTER 13 (SYSTEMS DEVELOPMENT (SYSTEMS…
BUILDING INFORMATION SYSTEMS - CHAPTER 13
CHANGES ENABLED BY IT
AUTOMATION
RATIONALIZATION OF PROCEDURES
BUSINESS PROCESS REDESIGN
PARADIGM SHIFT
BPM
IDENTIFY PROCESSES FOR CHANGE
ANALYSE EXISTING PROCESSES
DESIGN THE NEW PROCESS
IMPLEMENT THE NEW PROCESS
CONTINUOUS MEASUREMENT
SYSTEMS DEVELOPMENT
SYSTEMS ANALYSIS
SYSTEMS DESIGN
OUTPUT
INPUT
USER INTERFACE
DATABASE DESIGN
PROCESSING
MANUAL PROCEDURES
CONTROLS
SECURITY
DOCUMENTATION
CONVERSION
TRAINING
ORGANIZATIONAL CHANGES
PROGRAMMING
TESTING
CONVERSION
PARALLEL STRATEGY
DIRECT CUSTOVER
PILOT STUDY
PHASED APPROACH
PRODUCTION AND MAINTENANCE
MODELING AND DESIGNING SYSTEMS
STRUCTURED METHODOLOGIES
STRUCTURED
PROCESS-ORIENTED
SEPARATE DATA FROM PROCESSES
EX.: DATA FLOW DIAGRAM (DFD)
OBJECT- ORIENTED DEVELOPMENT
THE OBJECT IS THE BASIC UNIT OF THE SYSTEM ANALYSIS
BASED ON CONCEPTS OF CLASS AND INHERITANCE
MORE ITERATIVE AND INCREMENTAL
POTENTIALLY REDUCE TIME AND COST OF DEVELOPMENT
ALTERNATIVE SYSTEMS BUILDING METHODS
TRADITIONAL SYSTEMS LIFE CYCLE
PROTOTYPING
END-USER DEVELOPMENT
APPLICATION SOFTWARE PACKAGES
OUTSOURCING
NEW APPROACHES FOR SYSTEM BUILDING
RAPID APPLICATION DEVELOPMENT (RAD) (CREATES WORKABLE SYSTEMS IN A VERY SHORT PERIOD OF TIME)
JOINT APPLICATION DESIGN (JAD) (IMPROVES DESIGN PHASE)
AGILE DEVELOPMENT (BREAKS LARGE PROJEC INTO SEVERAL SMALL SUBPROJECTS)
COMPONENT-BASED DEVELOPMENT (COMMON FUNCTIONS INTO LARGE-SCALE BUSINESS APPLICATIONS)
MOBILE APPLICATION DEVELOPMENT (SMALLER SCREENS, SAVES RESOURCES)