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Knowledge Workers

workers whose responsibilities extend beyond the physical execution of work to include planning, decision making, and problem solving


information gathered from observations


data converted into a meaningful and useful context


a machine for performing calculations automatically, Electronic device that receives data, processes data, stores data, and produces a result.


the mechanical, magnetic, electronic, and electrical components making up a computer system


instructions that tell the computer what to do

Personal Digital Assistant

a small handheld computer that can share data with other computers

Operating System Software

main software used to run the entire computer

Application Software

a computer program designed to perform a specific task

Moore's Law

Refers to the computer chip performance per dollar doubles every 18 months


A global network connecting millions of computers, making it possible to exchange information.

World Wide Web

The service that allows computer users to easily access and share information on the Internet in the form of text, graphics, video and animation.


A link in a document to a Web page or to another document.


Communications hardware device that facilitates the transmission of data.

Internet Service Provider

a service that provides Internet access


a program used to navigate the internet

Search Engine

A software program you can use to find Web sites, Web pages, and Internet files.

Chief Information Officer

Executive in charge of information technology strategy and development


transmitting information and communicating electronically

Local Area Network

a local computer network for communication between computers

File Server

File/storage device used by all users on a network.

Wide Area Network

a computer network that spans a wider area than does a local area network


a company's private network of computers


A network configuration that allows selected outside organizations to access internal information systems.


hardware and/or software that guards a private network by analyzing the information leaving and entering the network


a collection of organized data that allows access, retrieval, and use of data

Information System

Computer system for gathering and processing data into information and distributing it to people who need it

Management Information System

integrates data from various departments to make it available to help managers with daily business operations

Decision Support System

a computer based system that helps decision makers confront problems through direct interaction with databases and analytical software programs

Executive Information System

combines and summarizes ongoing transactions within the company to provide top-level executives with information needed to make decisions about company goals and direction

Carpal Tunnel Syndrome

a disorder caused by compression of a nerve in the carpal tunnel (where the nerve passes through the wrist)


the study of the effects of the work environment on the health of workers

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