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Midterm

CS330 Study Guide - Midterm Guide: Citral, Data General, Low Ki


Department
Computer Science
Course Code
CS330
Professor
Zarrin Langari
Study Guide
Midterm

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CS 330 Midterm Review Notes
Chapter 1
Data: raw, unformatted, information (i.e. 1234567890)
Information: processed data or data in context (i.e. 416-542-4327)
Knowledge: action on information (i.e. 416-542-4327 -> Joe Smith)
Systems: A group of elements that are integrated to achieve some common purpose.
- More than one component
- Parts have logical connections
- Common goal exists: marketing, finance, accounting systems
IS can be viewed from 3 different perspectives: Technology (hardware, software, data, communications),
People (service, support), Business (procedures, data)
Technology Perspective
A set of interrelated components (people, data, procedures) that collect, process, store, and distribute
information to support decision making and control in an organization.
IS are transforming businesses today through:
- Increase in wireless technology (Bluetooth, WiFi), Web sites
- Shifts in media and advertising
- New federal security and accounting laws
Globalization Opportunities:
- Internet has drastically reduced costs of operating on a global scale
- Presents both challenges and opportunities
Role of IS in Business Today: Strategic Objectives
1. Operational Excellence
2. New products, services, and business models
3. Customer and supplier intimacy
4. Improved decision making
5. Competitive Advantage
6. Survival

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Functions of IS
***Information Systems involve Organizations, Technology, and Management***
How IS can be used on the Organization Dimension:
Business Functions
IS Usage
Sales & Marketing
Branding, promotions, processing orders,
providing customer service
Manufacturing & Production
Planning, forecasting, monitoring, production, and
services
Finance & Accounting
Summarizing transactions, organizing data, and
performing financial analysis
Human Resources or Management
Communicating with employees, maintaining
employee records, coordinating work activities
Information System
Developing, and supporting new systems

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Types of Management
Example:
Dimensions of UPS Tracking Systems
Organizational: Procedures for tracking packages and managing inventory and provide information
Management: Monitor service levels and costs
Technology: Handheld computers, bar-code scanners, networks, desktop computers, etc.
Basic IS Examples: E-mail, websites, instant messages, blogs
Business Perspective
Information Systems are instruments to create value.
It calls attention to organizational and managerial nature of Information Systems.
Investments in IT will result in superior returns; increase in productivity, revenue, long-term strategic
positioning
Business Value Chain
- Raw data acquired then transformed into information to add value
- Value of IS determined by the extent to which it leads to higher profits, better decisions, and
greater efficiency
Socialtechnical Perspective
Optimal Organization Performance is achieved by combining both social and technical systems.
It helps to avoid a purely technological approach.
MISSION OF IT:
To improve the performance of people in organizations through the use of information technology.
Senior Management
Middle Management
Scientists and Knowledge Workers
Operation Management
Production and Service Workers
Data Workers
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