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Information Systems

Exam 1: Chapter 2

QuestionAnswer
Overview of Systems Includes: Input-> Systems-> Outputs (environment on the outside)
System set of interacting components, working together to form a complex, integrated whole in order to achieve some goal by taking inputs and processing them to produce outputs
What are Characteristics of a System: -has components -components range in forms -components work together
Components a system has a goal or purpose made up of different pieces
Inter-related components work together
Open System interacts with its environment
Equifinality many different potential paths to the final outcome
Foundations of Information Systems (operations) -Input, Processing, Storage, Output, Control
Input collection of data and their conversation into a form that allows processing
Processing manipulation and transformation of data
Storage holding place for data so that it can be retrieved at a later time
Output transformation of processed data into a form that can be understood by its eventual user
Control enforcement of correct processing procedures
Critical Elements of an Information System -data, hardware, software, media, procedure, people
Business Rule statement that defines or constrains an aspect of a business with the intent of controlling behaviors within the business
Examples of IS generating Organizational Change: -process improvements -automation -control -information flow
Common Information Systems personal applications, transaction processing systems, functional and management information systems, integrated enterprise systems, interorganizational systems, global systems
Personal Applications help make individuals' work more efficient and effective
Transaction Processing Systems collect, monitor, process and store large volumes of data that are created by business processes
Functional and Management Information Systems focus on functional areas of the organization, such as financial management systems, sales force automation systems, or human resources administration systems
Information Systems is a Combination of: technology, data, people, and processes
Information System is Directed towards the.... collection, manipulation, storage, organization, retrieval and communication of information
What can take many different forms ranging from human organs to computer software? components
How is the goal of a system achieved? by taking inputs and processing them to produce outputs
Feedback the process in which a system regulates itself by monitoring its own outputs
Subsystem system that is a part of a larger system
What is a set of functions intended to ensure the proper operation of a system? control
What is the most important component of any information system? people
Operating systems such as Windows and Linux are examples of what type of software? systems software
What serve as facts that are manipulated by the system to produce information? data
What element of the communication system is wireless connection? communication media
What are 4 categories of change that information systems enable within and organization? -process improvements -automation -control -information flow
Every two weeks you receive a paycheck at work. Your pay is based on the hours that you have tracked. At the end of the pay period the hours worked for everyone are gathered and processed. What type of information system is this? transaction processing system
A thermostat reaches a certain temperature and sends a signal to the air conditioner to begin cooling the room. Sending the signal to the air conditioner is known as what? control
Refers to the structured, electronic transmission of data between organizations... electronic data interchange
Created by: cnwall
 

 



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