Before revision: System development is done in stages which include: Problem recognition and specification Information gathering Requirements specification for the new system System design System construction System implementation Review and maintenance As an academic discipline The field of study called information systems encompasses a variety of topics including systems analysis and design, computer networking, information security, database management, and decision support systems.
After revision: HistorySystem development is done in stages which include: Problem recognition and specification Information gathering Requirements specification for the new system System design System construction System implementation Review and maintenance As an academic discipline The field of study called information systems encompasses a variety of topics including systems analysis and design, computer networking, information security, database management, and decision support systems.