mirror of
https://github.com/andatoshiki/toshiki-notebook.git
synced 2026-06-06 09:16:45 +00:00
79 lines
3.1 KiB
Markdown
79 lines
3.1 KiB
Markdown
# 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 |