What is Information Technology? Cell phones? • Automated calls to sales agents
PC’s? • Interconnected computers sharing data and other
resources
PBX’s? • Bring up customer accounts based upon ANI
before customer even has to provide their name
IT is more than the sum of its individual parts 1-1
Introduction to Information Technology 2nd Edition Turban, Rainer & Potter © 2003 John Wiley & Sons, Inc.
Chapter 1: Introduction: Business and Information Technology Prepared by: Roberta M. Roth, Ph.D. University of Northern Iowa 1-2
Chapter Preview In this chapter, we will study: Marketplace pressures faced by today’s businesses and various tactical and strategic responses. The distinction between data, information, and knowledge. The characteristics of high quality information. The components of an information system. The capabilities organizations expect of information systems. Opportunities to use information systems strategically. 1-3
Today’s Business Environment Characterized by: Rapid Change Complexity Global Economy Hyper-competition Customer Focus Businesses face pressure to
produce more with fewer resources 1-4
Organizational Responses Pressures provoke proactive and
reactive organizational responses. Business responses to pressures may involve use of Information Technology and Information Systems. In some cases, IT is the only solution to business pressures. Knowledge of IT capabilities is essential to today’s businesspeople. 1-5
Why Should You Learn About IT? What can be done with IT and the
consequences of using IT are very interesting. Organizational structure, management, and business processes are often changed with IT. Career opportunities are abundant in IT. IT affects every business functional area. 1-6
Some Key Definitions Data: raw facts; collected, not
organized. Information: data organized in a meaningful way. Knowledge: information organized to convey understanding, experiences, accumulated learning, or expertise. 1-7
What is an Information System? A system that collects, processes,
stores, analyzes, and distributes information. Calculations
Data Instructions
Collect Inputs
Process And Transform
Produce Outputs
Reports
Store
1-8
What Makes Information Useful? It is accurate Free of errors
It is complete Includes everything needed
It is flexible Can be viewed in various ways
It is reliable Results are always consistent
It is relevant Applies to the issue under study
It is timely Available when needed
It is verifiable Basis for results can be traced
It is accessible All those who need the information can get to it
It is secure Free from contamination (accidental or deliberate)
1-9
What is Meant by a “Computer-Based Information System”? An information system using computer and telecommunications technology to perform its intended tasks. Employs some combination of hardware, software, database, network, procedures, and people.
An information system developed
to provide a solution to a business problem. 1-10
Organizations Have High Expectations of Their Information Systems
Fast, accurate processing of business
transactions. Storage, retrieval, analysis, and data sharing to Increase communication Reduce overload Span organizational boundaries Support and improve decision making.
Distinctive capabilities providing
competitive advantage. 1-11
Key Technical Trends to Monitor Constantly improving
cost-performance ratio Increasing storage and memory User friendly interfaces Client/server architecture Network computers Enterprise-wide computers Intranets and extranets
Data mining Object-oriented
environment Electronic document management Multimedia Intelligent systems Portable computing Internet expansion Electronic commerce Integrated home computing 1-12
Using IT Strategically Businesses today must understand how
IT can shape and refine business strategy Porter’s Strategic Analysis Model • Helps in understanding strategic forces affecting
organizations in particular industries • IT can be applied to strengthen and support a specific business strategy
Value Chain • Helps in identifying ways IT can improve the
quality and efficiency of organizational processes 1-13
Chapter Summary Today’s businesses face myriad
pressures. Information technology provides tools and capabilities to respond to those pressures. Knowledge of IT and its applications helps businesspeople develop business strategies that effectively employ IT. 1-14
Chapter 1: Terms & Concepts Information Technology Internet Just-In-Time Inventory Total Quality Management (TQM) Business Process Re-engineering (BPR) Enterprise Resource Planning (ERP) Electronic Commerce (e-Commerce) Information System (IS) Data/Information/Knowledge Computer-Based Information System (CBIS) 1-15