Chapter 1.1
Cards (21)
- Systems Analysis - Defining the purpose and functionalities of a system.
- System Design - Detailing the implementation of each component of the system.
- System Analyst - analyzes business needs based on organizational functions, requirements, identifies opportunities for improvement, solves problems, and designs systems to implement these ideas
- Consultant - brings fresh perspectives to the organization
- Supporting expert - utilizes professional expertise in computer hardware and software and acts as a resource for other projects
- Agent of change - catalyzes and facilitates change through planning and collaboration
- Problem solver - enjoys devising solutions to challenges
- Communicator - relates effectively to others and possesses sufficient computer experience to bridge user-programmer communication
- Strong personal and professional ethics - shapes client relationships with integrity
- Self-disciplined and motivated - efficiently coordinates people and project resources
- system boundary - delineates the system from its environment, where inputs and outputs occur
- automation boundary - separates the automated and manual parts of the system
- Hardware - physical layer of the system
- Software - controls hardware and generates desired information
- System software - manages hardware components, such as operating systems, security software, utility programs, and network operating systems (NOS)
- Software is divided into system software and application software.
- Application software - supports daily business functions and manages user information needs, including enterprise applications like order processing and payroll systems
- Application software includes horizontal systems adaptable to various companies (e.g. inventory or payroll application) and vertical systems tailored to specific businesses (e.g. medical practices or video chains).
- Data - raw material transformed into useful information
- Processes - serve as building blocks of a system
- Waterfall model - results of each phase flow sequentially into the next