Chapter 3-Managing Information Systems and Communication Technology

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14 Aug 2010
Chapter 3 Managing Information Systems and Communication Technology
Information Managers - The manager responsible for the activities needed to generate, analyze, and disseminate
information that a company needs to make good decisions
Information Management - An internal operation that arranges the firm's information resources to support business
performance and outcomes
Data - Raw facts and figures
Information - A meaningful, useful interpretation of data
Information System (IS) - An organized method of transforming data into information that can be used for decision
Electronic Business and Communications Technology
Electronic Information Technologies (EIT)
- IS applications based on telecommunications technologies
2 functions:
- Providing coordination and communication within the firm
- Speeding up transactions with other firms
- 6 most widely used in today's business systems:
- Fax Machines
- Voice Mail
- Email
- Electronic Conferencing - Allows people to communicate simultaneously from different locations via
telephone, video, or email group software
- Groupware - system that allows two or more individuals to communicate electronically between desktop PCs
Data Communication Networks
- Global networks that permit users to send electronic messages quickly and economically
Internet - A gigantic network of networks that serves millions of computers, offers information on business, science,
and government, and provides communication flows among more than 170,000 separate networks around the world
Internet Service Provider (ISP) - A commercial firm that maintains a permanent connection to the internet and sells
temporary connections to subscribers
World Wide Web - A system with universally accepted standards for storing, retrieving, formatting, and displaying
information on the internet
Web Servers - Dedicated workstations, large computers, that are customized for managing, maintaining, and supporting
Browser - Software that enables a user to access information on the web
Directories - Features that help people find the content they want on the web. The user types in key words and the
directory retrieves a list of websites with titles containing those words
Search Engine - Software for searching web pages that does not pre-classify them into a directory
Intranet - A company's private network that is accessible only to employees via entry through electronic firewalls
Firewall - Hard and software security systems that ensure that internal computer systems are not accessible to outsiders
Extranet - A network that allows outsiders limited access to a firm's internal information system
Mass-Customization - Producing large volumes of products or services, but giving customers the choice of features and
options they want
Enterprise Resource Planning (ERP) - Large information systems for integrating all the activities of a company's
business units
Knowledge Workers - Employees whose jobs involve the use of information and knowledge as the raw materials of
their work
Major Systems by Level
Transaction Processing Systems (TPS) - Applications of information processing for basic day to day business
Systems for Knowledge Workers and Office Applications
IS Knowledge Workers - Includes both system analysts (and designers) and application (or system) programmers
- System analysts and designers deal with the entire computer system
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