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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

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