Business Information System

2293 Words10 Pages
Management Information Systems, Sixth Edition

Chapter 1 Business Information Systems: An Overview

Objectives
• Explain why information technology matters • Define digital information and explain why digital systems are so powerful and useful • Explain why information systems are essential to business • Describe how computers process data into useful information for problem solving and decision making • Identify the functions of different types of information systems in business
Management Information Systems, Sixth Edition 2

Objectives (continued)
• Describe careers in information technology • Identify major ethical and societal concerns created by widespread use of information technology

Management Information Systems,
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• System: array of components that work together to achieve goal or goals • System
– Accepts input – Processes input – Produces output

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What is a System? (continued)
• • • • System may have multiple goals System may contain subsystems Subsystem: component of a larger system Subsystems have subgoals that contribute to main goal • Subsystems can receive input from and transfer output to other subsystems

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What is a System? (continued)

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What is a System? (continued)
• Closed system: has no connections with other systems • Open system: interfaces and interacts with other systems
– Often a subsystem of a bigger system – Subsystems by definition are always open

• Information system (IS): components that work together to process data and produce information
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Information and Managers
• Systems thinking: thinking of an organization in terms of subsystems
– Powerful management approach that creates a framework for problem solving and decision making – Helps keep managers focused on overall goals

• Database: collection of electronic records • Information systems automate exchange of information among subsystems

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Information and
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