Week 3 (Ch. 7, 10, 11)

Question 1

what is the systems development life cycle (SDLC)

Answer 1

describes the stages involved in information system creation

Question 2

what is preliminary analysis (SDLC) what is the task and what is a deliverable

Answer 2

request for potential replacement or entirely new system is reviewed; project charter feasibility study

Question 3

what is system analysis (SDLC) what is the task and what is a deliverable

Answer 3

system analysts work with stakeholder groups to determine specific requirements; user requirements specification

Question 4

what is system design (SDLC) what is the task and what is a deliverable

Answer 4

designer takes system requirements develops technical details required for system; detailed systems specification

Question 5

what is programming (SDLC) what is the task and what is a deliverable

Answer 5

using system design, code is written and initial working program is the conclusion; production system

Question 6

what is testing (SDLC) what is the task and what is a deliverable

Answer 6

program developed is put through unit tests (individual), system tests (overall) and user acceptance tests (users test product themselves); production system

Question 7

what is implementation (SDLC) what is the task and what is a deliverable

Answer 7

new system is implemented into organization. Users are trained and data is converted; live system

Question 8

what is maintenance (SDLC) what is the task and what is a deliverable

Answer 8

system has structured support process, bugs are fixed and updates are concerned; working system

Question 9

what is waterfall methodology

Answer 9

one step is a separate part of the process - only when one step is completed can the next step begin

Question 10

what is rapid application development (RAD)

Answer 10

quickly building working model of the software, receiving feedback and constantly updating the working model

Question 11

what is requirements planning (RAD)

Answer 11

overall requirements for system are defined, teams and feasibility are determined

Question 12

what is user design (RAD)

Answer 12

analysts, designers, programmers and users work together to create design for system (JAD session)

Question 13

what is construction (RAD)

Answer 13

updated version of system is constructed

Question 14

what is cutover (RAD)

Answer 14

old system is switched out for new software

Question 15

what is the difference between RAD and SLDC

Answer 15

RAD is much more compressed than SLDC, many steps are combined and the focus is on participation and iterations

Question 16

what are agile methodologies

Answer 16

utilize incremental changes with focus on quality and attention to detail (not released to public)

Question 17

what is lean methodology

Answer 17

creating a ‘minimum viable product’ (MVP) for potential users for feedback (quantitative and qualitative)

Question 18

what is end user computing (EUC)

Answer 18

systems and platforms that help non-programmers create applications

Question 19

what is economic feasibility

Answer 19

measures costs and benefits of new system

Question 20

what is technical feasibility

Answer 20

ensures that organization has sufficient hardware, software and personal resources

Question 21

what is operational feasibility

Answer 21

the willingness and ability of management, users and MIS staff to build and use proposed systems

Question 22

what are the three points of the quality triangle

Answer 22

time, quality, cost

Question 23

what is the build vs buy decision

Answer 23

should an organization build the program themselves or buy it from elsewhere

Question 24

what is direct cutover (plunge) implementation

Answer 24

organization sets set date to terminate use of old system and start use of new one

Question 25

what is pilot implementation

Answer 25

subset of organization (pilot group) starts using new system before the rest of the organization to analyze problems

Question 26

what is parallel operation implementation

Answer 26

both old and new systems are used simultaneously for a limited period of time

Question 27

what is phased implementation

Answer 27

new applications are gradually implemented with corresponding functions being turned off in old system

Question 28

what is the maintenance phase

Answer 28

management ensures that the system continues to stay aligned with business priorities and continues to run well

Question 29

what are transaction processing systems (TPS)

Answer 29

information system at operational level

Question 30

what is batch processing

Answer 30

data collected over time and processed together

Question 31

what is online processing

Answer 31

ongoing entrance of transactions into computer system

Question 32

what is an enterprise resource planning (ERP) system

Answer 32

software system that organizations use to automate and manage core business processes

Question 33

what are key features about enterprise resource planning softwares (ERP)

Answer 33

-they are computer programs -they have a centralized database -they are used organization wide

Question 34

what is the difference between IT projects and IT operations

Answer 34

projects are for changing process, operations is for maintaining process

Question 35

what is a pro and con of ERPs

Answer 35

organizations enforce best practices but are driven to using the same processes and lose uniqueness

Question 36

what is customer relationship management (CRM)

Answer 36

manages an organizations customers

Question 37

what is a supply chain management system (SCM)

Answer 37

manages inventory in various stages of development

Question 38

what is knowledge management

Answer 38

manages company knowledge (creating, capturing, storing etc)

Question 39

what is electronic data interchange (EDI)

Answer 39

computer to computer exchange of business documents in standard electronic form

Question 40

what is electronic business

Answer 40

the use of computer networks to improve organizational performance

Question 41

what is e-commerce

Answer 41

marketing, selling and buying goods online

Question 42

what is the difference between e-business and e-commerce

Answer 42

e-commerce generates revenue, while e-business does not

Question 43

what is e-commerce

Answer 43

marketing, selling and buying goods online; one portion of e-business

Question 44

what are some advantages of e-commerce

Answer 44

1) expanded market 2) increased availability 3) reduced cost 4) improved efficiency 5) improves customer service

Question 45

what are some disadvantages of e-commerce

Answer 45

1) technical/availability issues 2) security/privacy issues 3) establishing trust and satisfaction

Question 46

what is a pure play business

Answer 46

only online presence

Question 47

what is a brick and click business

Answer 47

both online and physical presence

Question 48

what are the 6 types of e-commerce

Answer 48

1) business to business 2) business to consumer 3) consumer to consumer 4) consumer to business 5) business to government 6) consumer to government

Question 49

what is M-Commerce

Answer 49

mobile commerce, purchase of goods and services through handheld devices

Question 50

what are benefits of m-commerce

Answer 50

easy access, convenience, cheap, easy to use

Question 51

what is p2p

Answer 51

peer to peer, apps such as uber and airbnb