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MIS - Chapter 1
Foundations of Information Systems in Business
50
Business
Undergraduate 2
03/24/2011

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Term
Information system
Definition
(1) A set of people, procedures, and resources that collects, transforms, and disseminates information in an organization. (2) A system that accepts data resources as input and processes them into information products as output.
Term
Computer-based information system
Definition
An information system that uses computer hardware and software to perform its information processing activities.
Term
Competitive Advantage
Definition
Developing products, services, processes, or capabilities that give a company a superior business position relative to its competitors and other competitive forces.
Term
Electronic business (e-business)
Definition
The use of Internet technologies to inter-network and empower business processes, electronic commerce and enterprise communication and collaboration within a company and with its customers, suppliers, and other business stakeholders.
Term
Electronic commerce (e-commerce)
Definition
The buying and selling, marketing and servicing, and delivery and payment of products, services, and information over the Internet, intranets, extranets, and other networks, between an inter-networked enterprise and its prospects, customers, suppliers, and other business partners. Includes business-to-consumer (b2c), business-to-business (b2b), and consumer-to-consumer (c2c) e-commerce.
Term
Intranet
Definition
An Internet-like network within an organization. Web browser software provides easy access to internal Web sites established by business units, teams, and individuals, and other network resources and applications.
Term
Extranet
Definition
A network that links selected resources of a company with its customers suppliers, and other business partners, using the Internet or private networks to link the organizations’ intranets.
Term
Operations support systems (oss)
Definition
An information system that collects, processes, and stores data generated by the operations systems of an organization and produces data and information for input into a management information system or for the control of an operations system.
Term
Transaction processing systems (tps)
Definition
An information system that processes data arising from the occurrence of business transactions.
Term
Enterprise collaboration systems
Definition
The use of groupware tools and the Internet, intranets, extranets, and other computer networks to support and enhance communication, coordination, collaboration, and resource sharing among teams and workgroups in an inter-networked enterprise.
Term
Management information systems (mis)
Definition
= A management support system that produces pre-specified reports, displays, and responses on a periodic, exception, demand, or push reporting basis.
Term
Decision support systems (dss)
Definition
An information system that utilizes decision models, a database, and a decision maker’s own insights in an ad hoc, interactive analytical modeling process to reach a specific decision by a specific decision maker.
Term
Executive information systems (eis)
Definition
An information system that provides strategic information tailored to the needs of executives and other decision makers.
Term
Expert systems (es)
Definition
A computer-based information system that uses its knowledge about a specific complex application area to act as an expert consultant to users. The system consists of a knowledge base and software modules that perform inferences on the knowledge and communicate answers to a user’s questions.
Term
Knowledge management systems
Definition
Organizing and sharing the diverse forms of business information created within an organization. Includes managing project and enterprise document libraries, discussion databases, intranet Web site databases, and other types of knowledge bases.
Term
Input
Definition
Pertaining to a device, process, or channel involved in the insertion of data into a data processing system. Opposite of Output. (← yup, the book definitely says that.)
Term
Processing = (Processor)
Definition
A hardware device or software system capable of performing operations on data.
Term
Output
Definition
Pertaining to a device, process, or channel involved with the transfer of data or information out of an information processing system. Opposite of Input.
Term
Control
Definition
1) The systems component that evaluates feedback to determine whether the system is moving toward the achievement of its goal and then makes any necessary adjustments to the input and processing components of the system to ensure that proper output is produced. 2) A management function that involves observing and measuring organizational performance and environmental activities and modifying the plans and activities of the organization when necessary.
Term
Feedback
Definition
1) Data or information concerning the components and operations of a system. 2) The use of part of the output of a system as input to the system
Term
Open system
Definition
Information systems that use common standards for hardware, software, applications, and networking to create a computing environment that allows easy access by end users and their networked computer systems.
Term
Information system components = information system model
Definition
a conceptual framework that views an information system as a system that uses the resources of hardware (machines and media), software (programs and procedures), people (users and specialists), and networks ( communications media and network support ) to perform input, processing, output, storage, and control activities that transform data resources ( databases and knowledge bases) into information products.
Term
End users
Definition
anyone who uses an information system or the information it produces.
Term
IS specialists
Definition
a person whose occupation is related to the providing of information system services. For example, a systems analyst, programmer, or computer operator.
Term
Media
Definition
all tangible objects on which data are recorded.
Term
Programs
Definition
a set of instructions that causes a computer to perform a particular task.
Term
Data
Definition
facts or observations about physical phenomena or business transactions. More specifically, data are objective measurements of the attributes ( characteristics) of entities such as people, places, things, and events.
Information
Term
Source document
Definition
a document that is the original formal record of a transaction, such as a purchase order or sales invoice.
Term
User interface
Definition
that part of an operating system or other program that allows users to communicate with it to load programs, access files, and accomplish other computing tasks
Term
Information System Examples
Definition
smoke signals for communication, card catalogs in a library, your bookbag, day planner, notebooks, and file folders
Term
Roles of IS in business
Definition

1)  support of business processes and operations

2)  support of decision making by employees and managers

3)  support of strategies for competitive advantage

Term
Support of business processes and operations
Definition
as a consumer, you regularly encounter information systems that support hte business processes and operations at the many retial stores where you shop.  FOr example, most retial stores now use computer based information systems to help their employees record customer purchases, keep track of investory, pay employees, buy new merchandise, and evaluate sales trends.  Store operations would grind to a halt without the support of such information systems.
Term
support of business in decision making
Definition
information systems also help store managers and other business professionals makek better decisions.  This function not only supports hte decision making of store managers, buyers, and others, but it also helps them look for ways to gain an advantage over other retailers in the competitoin for customers
Term
support of strategies for competitive advantage
Definition
gaining a strategic advantage over competitors requires the innovative application of information technologies.  Thus, strategic information systems can help provide products and services that give a business a comparative advantage over its competitors.
Term
Process Control Systems
Definition
monitor and control physical processes
Term
strategic management systems
Definition
apply information technology to a firm's products, services, or business processes to hlep it gain a strategic advantage over its competitors
Term
developing successful informatoin system solutions
Definition
investigate, analyze, design, implement, and maintain
Term
ethical responsibilities
Definition
responsibilites that are ethical
Term
Job increases in IT
Definition
There are a lot of jobs open in IT
Term
system
Definition
a set of interrelated component, with a clearly defined boundary, working together to achieve a common set of objectives by acepting inputs and producing outputs in an organized transformtion process
Term
adaptive system
Definition
a system that has the ability to change itself or its encironment to survive
Term
people resources
Definition
people are the essential ingredient for the successful operation of all information systems
Term
hardware resources
Definition
includes all physical devices and materials used in information processing
Term
machines
Definition
a type of hardware resource such as a computer and other equipment
Term
software resources
Definition
includes all sets of information processing instructions
Term
data resources
Definition
data are more than the raw material of information systems
Term
information
Definition
data that have been converted into a meaningful and useful ocntext for specific end users.
Term
network resources
Definition
emphasizes that communications technologies and netowrks are fundamental resource components of all information systems
Term
alyssa
Definition
is sitting next to me
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