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Final

ITM 102 Study Guide - Final Guide: Wide Area Network, Local Area Network, Personal Information Management


Department
Information Technology Management
Course Code
ITM 102
Professor
Ross Mc Naughton
Study Guide
Final

This preview shows pages 1-3. to view the full 9 pages of the document.
Chapter 1
Knowledge Worker A professional who performs knowledge work
Knowledge Work Intellectual activity that is performed by people upon data, info, and knowledge
Discovery
Transformation
Analysis
Synthesis
Communication
Business Organization with one or more people who:
1.Decide upon goals to pursue
2.Locate and organize resources
3.Create processes to reach goal
The Business Environment Consists of: Customers, Competitors, Governments, and Suppliers
Globalization - Expanding the market globally, finding low cost suppliers, create 24hour work days
Internet A large number of computer networks
RFP = Request for Proposal
Data Raw facts
Information Organized Data
Knowledge When a person combines experience and judgment with information
Explicit Textbook
Tacit Experience
Information System Organized collection of People, Information, Business processes, and Information Technology,
designed to transform inputs into outputs to achieve a goal. IS enhances knowledge work, decision making, problem solving,
communicating, and coordinating
Transaction Processing Systems Captures and processes transactions
Management Information Systems Provides timely information
Decision Support Systems Provides analytical / visualization tools to support decision making
Enterprise Resource Management Centralize and standardize the storage/management of data
Customer Relationship Management Integrates customer information to understands the customers needs
Life Cycle of IS
1.Business Modeling (Model)
2.Requirements (What to Do)
3.Analysis & Design (Layout & Feature)
4.Test (Trial = Beta)
5.Development
3 Ways of system conversion:
1.Crash Conversion (Throw away Friday, New on Monday)
2.Parallel Conversion (Both systems running at same time)
3.Pilot Conversion (Test on small group of people)
Information System Security Protects people, information, software, hardware, networks, and organizations
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Chapter 2
Hardware Tangible electronic and mechanical components
Processing Directs execution of instructions and transformation of Data
Memory Temporarily stores data and information before and after processing
Input Data into a device
Output Retrieve data from a device
Storage Stores data, information, and instructions for the long term
Communications Connects one IT device to another
Software Instructions that direct the hardware
Central Processing Unit CPU Chip composed of millions of transistors. Speed is measured in gigahertz (billions of cycles
per second)
Transistor Switch that can be On (1) or Off (2)
Read Only Memory ROM Instructions that are not meant to be changed or changed infrequently
Random Access Memory RAM Temporary memory
Memory Measured in bytes (Thousands = Kilo, Millions = Mega, Billions = Giga)
Firmware Software built into chips
System Software Controls the hardware associated with a system
Operating Systems (OS) Software Coordinates and handles the details of working with the computer hardware
Utility Software Provides additional tools to maintain and service the system
Productivity Software Software used by knowledge workers to work with data, information, and knowledge
Document Preparation Software Creating documents composed of text, images, and graphics
Electronic Spreadsheet Software Used to perform general calculations and analyses
Presentation Graphics Software Preparing slides and graphics for business presentations
Database Management System Design, Create, Update, and Query data
Personal Information Management Used to manage personal information
Computer Network Consists of Data, Special Hardware, Software allowing computers to share data, and Communications
media to link computers together
Local Area Network Small area (Building)
Wide Area Network Connects over regions, countries, and continents
Protocol A set of rules allowing communication of data between nodes on a network
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Chapter 3
Knowledge Work Activities
Discovery Finding data, information, and knowledge relevant to a task (Search Engine)
Analysis Investigation and examination of data, information, and knowledge (Spreadsheet)
Transformation Organizes the results of analysis activities, and transforming into information (DBMS)
Synthesis Discovery of trends or patterns
Communication Sharing with others
Decision A choice of actions to take or not in a given situation
Structured Decision Programmed, routine or repetitive
Semistructured Decision Involves uncertainty or doubt about the outcome
Unstructured Decision Involves significant amount of uncertainty about the outcome
Problem Solving: Investigate, Analyze, Decide, Do
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