CIS105: Computer Applications & Information Systems Lect. 16 - toshiki-notebook

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 ​

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  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

  
  
  
  
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    Advantages

    
    
    
    
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      Increase production, collab, & efficiency

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

      
      
    
    
    
    
  
  
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    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