UTA INSY 2303 EXAM 3 Study Guide 2023

UTA INSY 2303 EXAM 3 Study Guide 2023 Critical Path - The sequence of stages determining the minimum time needed for an operation especially when analyzed on a computer for a large organization Colocation Center - Centers that dedicate information systems which several corporations lease space and equipment Data Center - a specialized facility designed to hold and protect computer systems and data Application Development Tool - Software that assists in the creation of new software ERP - Enterprise Resource Planning; it is a suite of software modules that integrate major business activities SDLC/Phases of the SDLC - An information system progresses through several phases as it is developed, used, and retired order of phases - Analysis Design Implementation Maintenance Planning main purpose - System Requirements Report Application Specifications Working System Project Development Plan Feature Creep - A tendency for product or project requirements to increase during development beyond those originally foreseen JAD - Joint Application Design, A process used in the life cycle area of the dynamic systems development method to collect business requirements while developing new information systems for a company BI - A technology driven process for analyzing data and presenting actionable information to help executives, managers and other corporate end users make informed business decisions Object-Oriented Methodology - treats an information system as a collection of objects that interact to accomplish tasks UML - Unified Modeling Language, The current standard for object-oriented documentation class diagram - provides the name of each object, a list of each object's attributes, a list of methods, and an indication of the associations between objects use case diagram - documents the users of an information system and the functions they perform Sequence Diagram - depicts the detailed sequence of interactions that take place for a use case System Conversion - the process of deactivating an old information system and activating a new one Unit Testing - Each application module is completed undergoes this to ensure that it operates reliably and correctly Integration Testing - Performed to ensure that the modules operate together correctly System Testing - Ensures that all the hardware and software components work together MRP - Material Requirements Planning, A production planning, scheduling, and inventory control system used to manage manufacturing processes. Data Flow Diagram - The core documentation tool for project teams using structured methodology, graphically illustrates how data moves through an information system Success Factors - They also serve as an evaluation checklist at the end of a project Gantt Chart - shows the duration of development tasks as they occur over time WBS - Work breakdown structure - Work breakdown structure, breaks a complete task into a series of subtasks PERT -Program evaluation and review technique - Program evaluation and review technique, used for analyzing the time needed to complete each project task JIT - Just-In-Time manufacturing - A methodology aimed primarily at reducing times within production system as well as response times from suppliers and to customers Horizontal Market - Designed for common elements of many businesses Vertical Market - Designed for a specific industry or enterprise Turnkey System - A computer system that has been customized for a particular application B2B and B2G - Websites such as FedBid, Oracle, & Ingram sell goods and services to other businesses or to the government B2C (business-to-consumer) - Online storefronts such as Zappos, Amazon & Dell offer merchandise and services to consumers