Data - ANS Raw facts and figures that may or may not be relevant to a business decision.
Information - ANS Knowledge gained from processing data.
Information system - ANS Organized method for collecting, storing, and communicating past,
present, and projected information on internal operations and external intelligence.
Chief information officer (CIO) - ANS Executive responsible for managing a firm's information
system and related computer technologies.
Computer-based information systems - ANS Information systems that rely on computer and
related technologies to store information electronically in an organized, accessible manner.
Database - ANS A database is an electronic filing cabinet, containing the centralized integrated
collection of data resources.
Types of Information Systems - ANS Many different types of information systems exist. In
general, however, information systems fall into two broad categories: operational support
systems or management support systems.
Management Information System (MIS) - ANS An organized method for providing past, present,
and projected information on internal operations as well as external intelligence to support
managerial decision making.
Information systems for decision making - ANS These programs link users to data, allowing
them to develop information for decision making. Types of programs include Decision Support
Systems (DSSs), Executive Support Systems (EISs), and expert systems.
Trends information systems - ANS Computers can be linked using local area networks (LANs),
and/or wide area networks (WANs). Enterprise resource planning (ERP) unifies and integrates
all of a firm's computer systems. Application service providers (ASPs) specialize in providing
both the computers and the application support for managing information systems of clients.
Hardware - ANS Consists of all tangible elements of a computer system — the input devices,
the components that store and process data and perform required calculations, and the output
devices that present the results to information users.
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