CIS105: Computer Applications & Information Systems Lect. 16 ​

Chapter 16: Information Technology Careers ​

16.1: IT Careers Intro ​

• Information Technology (IT) is everywhere
• A common axiom for IT professionals is "know the business"
• Value-Added: Refers to the added value of a product or service over the cost of products and services.

16.2: Business IT Perception ​

• IT department are responsible for servicing and enhancing all computing, technical assets, and intellectual property of a business organization
  • Service IT
  • IT consulting
• IT is the glue that holds organizations together

16.3: Information Technology Jobs ​

• Chief Information Officer (CIO): Te board-level head of Information Technology departments
  • AKA Chief Technology Officer (CTO)
  • Replaced 'IT Director' title
  • Highest paid technology position
• Head Application Developers In charge of software application development teams that develop, design, program and test software applications.
• System Development Life Cycle (SDLC): A process for creating and altering computer applications through an approach that includes planning, system analysis, design, implementation, and system maintenance
• Unified Modeling Language (UML): set of graphical notation techniques to create computer models and applications. It could be said that UML is a "blueprint" for developing applications
  • Application Architects: design different parts of applications
  • Middleware
  • Programming Infrastructure

16.4: Information Technology Jobs Contd. ​

• Database Administrators (DBAs): the wizards of databases and data requirements
• Network Administrators
• Senior Web Developers
• Business Intelligence Analyst
• Information Technology Staff Consultants
• IT Auditors

All IT jobs require experience, a degree, or both*

16.5: Enterprise Resource Planning Solution ​

• Enterprise Resource Planning (ERP): an overall software solution that attempts to get departments on the same page, allowing them to share information and more easily collaborate with each other

  • Advantages

    • Increase production, collab, & efficiency

    • Revenue cycles and order tracking more easily available; enhances decision making

  • Disadvantages

    • Must re-engineer own processes to fit ERP solutions
    • Expensive
    • Must have process for tracking new entries to prevent inaccurate data from entering the database
    • Difficult to modify

16.6: Unified Modeling Language ​

• Use case scenarios: "Who" can do "what"
• Object-Oriented Analysis (OOA): Is focused on what a computer system does
• Object Oriented Design (OOD): Focused on how a computer system what it does
• Sequence Diagrams: Illustrations that sow how computer processes related and interact with each other and in what order.

16.7: System Development Methodologies ​

• System Development Life Cycle
  • Initiation
  • Concept Development
  • Planing
  • Requirements
  • Design
  • Development
  • Testing
  • Implementation
• Rapid Application Development (RAD)
  • Develope as you go
• Software Prototyping
  • Prototypes AKA vaporware