- Efficiency
- Effectiveness
Challenges & Ethics of IT
- Applications of IT
- Potential Harm
- Potential Risks
- Possible Responses
The IS Function
- a major functional area of business
- an important contributor to operational efficiency, employee productivity, morale, customer service & satisfaction
- a major source of information & support for decision making
- a vital ingredient in developing competitive products & services in the global marketplace
- a dynamic & challenging career opportunity
- a key component of today networked business
What is a System?
- a set of interrelated components
- with a clearly defined boundary
- to achieve a common set of objectives
- by accepting inputs & producing outputs
- in an organized transformation process
Basic Functions of System
- Input
- Processing
- Output
Cybernetic System
- All systems have input, processing & output
- A cybernetic system, a self-monitoring, self-regulating, adds feedback & control:
- Feedback is data about the performance of a system
- Control involves monitoring & evaluating feedback to determine whether a system is moving toward the achievement of its goal
Information System Resources
- People Resources
- Hardware Resources
- Software Resources
- Data Resources
- Network Resources
- Information Resources
Data vs Information
- Data are raw facts about physical phenomena or business transactions
- Information is data that has been converted into meaningful & useful context ebd users
- Examples:
- Sales data is name, quantities & dollar amounts
- Sales information is amount of sales by product type, sales territory or salesperson
IS Activities
- Input of data resources
- Processing of data into information
- Output of information products
- Storage of data resources
- Control of system performance
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