Information Systems Review
Terms
undefined, object
copy deck
- Define Information System
- any organized combination of people, hardware, software that collects information in an organization.
- List four types of information technologies
-
Computer Hardware
Computer Software
Telecommunications network
Data resource management - List 5 areas of IS Knowledge
-
Foundation concepts-fundamental technical and business concepts
Information Technologies-Hardware, software,networks-data management
Business applications
Development Processes
Management Challenges - List 3 Fundamental roles of IS in business
-
Support of business processe and operations
Support of decision making
Support of strategies for competitive advantage - Define E-Business and Electronic Commerce
-
E-business-use of internet technologies to inter network business processes within a company
E-commerce-buying and selling of products and services over a variety of networks - Name the three types of networks behind e-business
-
Extranets- Networks Between Companies
Intranets- Inside the enterprise
Internet - What is an enterprise collaberation system; give an example
-
Use of software tools to support communication amoung members of networked teams.
Use of A Virtual team-uses internet, email etc to communicate - Describe the Trends in information Technolgies
-
1950s-1960s- Electronic Data processing
1960s-1970s-Management Information Systems
1970-1980s -Decision support systems
1980-1990s-End User, Executive, Expert, Strategic systems
1990-00- E-business systems - List 6 types of information systems
-
Operation suppport system
Management support system
Expert systems
Knowledge management
Functional-for example Accounting
Strategic
Cross Functional - List 3 operation support systems
-
Transaction processing-batch or real time
Process control
Enterprise collaberations- aka office automation systems - List 3 types of Management Support systems
-
Management Information systems
Decision support systems
Executive information systems - What is a challenge to IT proffesional
- Ethical Resonsibilities
- What is a system?
- group of interrelated components working toward a common goal
- What are three main components of a system
-
Input
Processing
Output
Dynamic System -
What are two additional components
of a system -
Feedback
Control
Cybernetic System-self monitoring - List and describe two types of systems
-
Open-interacts w/ other systems
Adaptive-ability to change itself or environment - List four main concepts of an information systems model
-
People resources-end users or knowledge workers, IS Specialists
Hardware resources-machnies and media
Computer systems and peripherals
Software resources- includes programs(instructions for hardware, procedures(instructions for people
systems, application
Data resources- databases
Network Resources-communications media-coxial cable for example
Network support - Describe Data vs Information
- Data or Datum(singular) are raw facts while information is data that haas been converted into useful context
- Describe 5 information system activities
-
Input-Data entry using a source document
Processing
Output-reports
Storage
Control