Lesson 1: SYSTEMS ANALYSIS CONCEPTS AND DEFINITIONS Flashcards
collection of interconnected components
Information System
involves people who are running the program and doing some research.
Information System
in order to complete business tasks as production u should _________, _________, and _________
the information needed.
collect, process, and deliver
system of computer software that execute a particular function or set familiar
functions on a computing device.
Computer Application
The Most Popular Information Systems in an Organization
TPS, MIS, DSS, and ESS
operational-level systems at the bottom of the pyramid.
TPS
It work because people and computers interact purposefully.
MIS
computerized information systems designed to process vast volumes of data for daily
business transactions such as payroll and inventory transactions.
TPS
MIS support users in achieving a wider spectrum of organizational tasks than transaction
processing systems, including decision analysis and decision-making, by requiring
______, ________ and ________ to work together.
People, Software, and Hardware
- Based on internal information flows
- Support relatively structured decisions
- Inflexible and little analytical capacity
- Used by lower and middle managerial levels
- Talks about the past and present and not the future
- Efficiency oriented
Role of MIS
Higher level class. Similar to traditional, since both depend on a Database as Data Source.
DSS
- Support ill-structured or semi-structured or semi-structured decisions
- Have analytical and/or modeling capacity
- Used by more senior managerial levels
- Are concerned with predicting the future
- Are effectiveness oriented
Role of DSS
Strategic-level information systems that are found at the top of the Pyramid.
ESS
- Are concerned with convenience of use
- Are interested in determining the future
- Are efficiency driven
- Are dynamic
- Help to disorganized choices
- Use different data sources
- Seen only at the highest levels of management
Role of ESS
