Study Guide Exam for MIS 3320 FINAL 2024/2025

Study Guide Exam for MIS 3320 FINAL 2024/2025 What is a system analyst? - CORRECT ANSWER-responsible for the analysis and design of information systems; translates a business problem into an information system solution; like an architect SDLC - what is it? - CORRECT ANSWER-Framework that identifies all the activities required to research, build, deploy, and often maintain an information system Predictive approach - CORRECT ANSWER-Requirements well understood and well defined, low technical risk, can be planned in advance, system can be developed according to the plan; Client knows what they want Adaptive approach - CORRECT ANSWER-Requirements and needs uncertain, high technical risk, iterative, must be flexible and adapt (spiral model and iterative development); Client does NOT know what they want Waterfall model - CORRECT ANSWER-One phase begins when another phase completes; specifications are frozen problems; system requirements locked in; limited user involvement Modified waterfall - CORRECT ANSWER-The modified waterfall allows for phases to overlap as well as the ability to go backwards; shortened the development time - faster Spiral model - CORRECT ANSWER-Iterative approach; spiral until project completed then deploy; client is able to see something sooner; multiple feasibility checkpoints Incremental development - CORRECT ANSWER-Iterative approach; system is built in small increments and partially deployed in certain steps; as integration is completed, it is integrated to the whole - some functionality gets into the user's hands much earlier Agile Development - CORRECT ANSWER-A guiding philosophy and set of guidelines for developing information systems in an unknown, rapidly changing environment Coupling - CORRECT ANSWER-Qualitative measure of how closely the classes in a design class diagram are linked; strive for low level Cohesion - CORRECT ANSWER-the consistency of the functions within a single class and is a qualitative measure of its focus or unity of purpose; strive for high level Methodologies - CORRECT ANSWER-comprehensive guideline to follow for completing every SDLC activity; describe everything the developer needs to produce