Week 3 (Ch. 7, 10, 11) Flashcards
what is the systems development life cycle (SDLC)
describes the stages involved in information system creation
what is preliminary analysis (SDLC) what is the task and what is a deliverable
request for potential replacement or entirely new system is reviewed; project charter feasibility study
what is system analysis (SDLC) what is the task and what is a deliverable
system analysts work with stakeholder groups to determine specific requirements; user requirements specification
what is system design (SDLC) what is the task and what is a deliverable
designer takes system requirements develops technical details required for system; detailed systems specification
what is programming (SDLC) what is the task and what is a deliverable
using system design, code is written and initial working program is the conclusion; production system
what is testing (SDLC) what is the task and what is a deliverable
program developed is put through unit tests (individual), system tests (overall) and user acceptance tests (users test product themselves); production system
what is implementation (SDLC) what is the task and what is a deliverable
new system is implemented into organization. Users are trained and data is converted; live system
what is maintenance (SDLC) what is the task and what is a deliverable
system has structured support process, bugs are fixed and updates are concerned; working system
what is waterfall methodology
one step is a separate part of the process - only when one step is completed can the next step begin
what is rapid application development (RAD)
quickly building working model of the software, receiving feedback and constantly updating the working model
what is requirements planning (RAD)
overall requirements for system are defined, teams and feasibility are determined
what is user design (RAD)
analysts, designers, programmers and users work together to create design for system (JAD session)
what is construction (RAD)
updated version of system is constructed
what is cutover (RAD)
old system is switched out for new software
what is the difference between RAD and SLDC
RAD is much more compressed than SLDC, many steps are combined and the focus is on participation and iterations
what are agile methodologies
utilize incremental changes with focus on quality and attention to detail (not released to public)
what is lean methodology
creating a ‘minimum viable product’ (MVP) for potential users for feedback (quantitative and qualitative)
what is end user computing (EUC)
systems and platforms that help non-programmers create applications
what is economic feasibility
measures costs and benefits of new system
what is technical feasibility
ensures that organization has sufficient hardware, software and personal resources
what is operational feasibility
the willingness and ability of management, users and MIS staff to build and use proposed systems
what are the three points of the quality triangle
time, quality, cost
what is the build vs buy decision
should an organization build the program themselves or buy it from elsewhere
what is direct cutover (plunge) implementation
organization sets set date to terminate use of old system and start use of new one
what is pilot implementation
subset of organization (pilot group) starts using new system before the rest of the organization to analyze problems
what is parallel operation implementation
both old and new systems are used simultaneously for a limited period of time
what is phased implementation
new applications are gradually implemented with corresponding functions being turned off in old system
what is the maintenance phase
management ensures that the system continues to stay aligned with business priorities and continues to run well
what are transaction processing systems (TPS)
information system at operational level
what is batch processing
data collected over time and processed together
what is online processing
ongoing entrance of transactions into computer system
what is an enterprise resource planning (ERP) system
software system that organizations use to automate and manage core business processes
what are key features about enterprise resource planning softwares (ERP)
-they are computer programs
-they have a centralized database
-they are used organization wide
what is the difference between IT projects and IT operations
projects are for changing process, operations is for maintaining process
what is a pro and con of ERPs
organizations enforce best practices but are driven to using the same processes and lose uniqueness
what is customer relationship management (CRM)
manages an organizations customers
what is a supply chain management system (SCM)
manages inventory in various stages of development
what is knowledge management
manages company knowledge (creating, capturing, storing etc)
what is electronic data interchange (EDI)
computer to computer exchange of business documents in standard electronic form
what is electronic business
the use of computer networks to improve organizational performance
what is e-commerce
marketing, selling and buying goods online
what is the difference between e-business and e-commerce
e-commerce generates revenue, while e-business does not
what is e-commerce
marketing, selling and buying goods online; one portion of e-business
what are some advantages of e-commerce
1) expanded market
2) increased availability
3) reduced cost
4) improved efficiency
5) improves customer service
what are some disadvantages of e-commerce
1) technical/availability issues
2) security/privacy issues
3) establishing trust and satisfaction
what is a pure play business
only online presence
what is a brick and click business
both online and physical presence
what are the 6 types of e-commerce
1) business to business
2) business to consumer
3) consumer to consumer
4) consumer to business
5) business to government
6) consumer to government
what is M-Commerce
mobile commerce, purchase of goods and services through handheld devices
what are benefits of m-commerce
easy access, convenience, cheap, easy to use
what is p2p
peer to peer, apps such as uber and airbnb
