- Crucial to success of modern business organizations
- Constantly being developed to make business more competitive
- Impact productivity and profits
Keys to successful systems development
- Thorough systems analysis and design
- Understanding what business requires
Systems analysis – what system should do
Systems design – how components of information system should be physically implemented
Systems analyst – uses analysis and design techniques to solve business problems with information technology
The Analyst as a Business Problem Solver
- Has computer technology knowledge and programming expertise
- Understands business problems
- Uses logical methods for solving problems
- Has fundamental curiosity
- Wants to make things better
- Is more of a business problem solver than technical programmer
Systems That Solve Business Problems
- System – interrelated components functioning together to achieve outcome
- Information systems – collection of interrelated components that collect, process, store, and provide as output information needed to complete tasks
- Subsystems – part of larger system
- Supersystem – larger system contains subsystem
- Functional decomposition – dividing system into smaller subsystems and components
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