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This document outlines four levels of information systems - operational, knowledge, management, and strategic - as well as the six phases of the systems development life cycle: system analysis and specification, system design, program coding, system or program testing, system implementation and maintenance, and documentation.
1 ยุทธนัน
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- 10. • 1. (Operational – level systems)
- 11. • 2. (Knowledge-level systems) • 3. (Management - level systems)
- 13. Systems Delopment Life Cycle SDLC )
- 14. • 1. System Analysis and Specification ) • 2. System Design ) • 3. Program Coding ) • 4. System or Program Testing) • 5. System Implementation and Maintenance ) • 6. Documentation)