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Systems in organizations

Systems in organizations. Planning and system installation User focus System backup Software deployment. Identify the context for which a new system is planned. What reasons would you need to justify a new system?. Identify the context for which a new system is planned.

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Systems in organizations

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  1. Systems in organizations Planning and system installation User focus System backup Software deployment

  2. Identify the context for which a newsystem is planned • What reasons would you need to justify a new system?

  3. Identify the context for which a newsystem is planned • What reasons would you need to justify a new system? • New advances in hardware  Increased speed • New advances in software • More efficiency • Better usability

  4. Describe the need for change management • What factors would you need to manage when you change a system? • Hint: Think of everybody and everything that would relate to the change

  5. Describe the need for change management • What factors would you need to manage when you change a system? • Hint: Think of everybody and everything that would relate to the change • Cost • Design • Implementation • Installation • Training for system administrators and users • Compatibility with other systems! • Testing

  6. Methods of Installation/Conversion • Parallel running • Pilot running • Direct changeover • Phased conversion • What are the advantages of each of the above?

  7. Remote Software Implementation • Software-as-a-Service (SaaS) • Client hardware interacts with software remotely (through a network) • The software is actually hosted (stored) on a server • What are the benefits? • What are the drawbacks?

  8. Data Migration / Transfer • What are possible problems when data is migrated/transferred to a new system?

  9. Data Migration / Transfer • What are possible problems when data is migrated/transferred to a new system? • Incompatible file formats (doc vs. docx) • Incompatible data structures (database vs. textfiles) • Validation rules • Different date formats (YY/MM/DD vs. DD/MM/YY) • Different currencies • Different character sets (ASCII vs. UniCode)

  10. Testing • Where and when should testing be done?

  11. Testing • Where and when should testing be done? • EVERYWHERE • Every stage of implementation • User acceptance testing • Debug testing • Beta testing

  12. User Documentation • Why is it important? • Examples of user documentation: • Help files • Online support • Printed manuals • Others?

  13. User Training • What are different methods of delivering training?

  14. User Training • What are different methods of delivering training? • Formal classes • Self-instruction • Remote/online training • What are the advantages and disadvantages of each?

  15. Data Loss • What are some causes of data loss?

  16. Data Loss • What are some causes of data loss? • Malicious activities (e.g. hacking or disgruntled employee) • Natural disasters (e.g. fire) • Hardware failure

  17. Consequences of data loss • Given a scenario, what are the consequences of data loss • Scenario 1: Your medical record was lost at the hospital • Scenario 2: Your transcript was lost by your college • Scenario 3: Your dinner reservation was lost

  18. What are some methods of preventing data loss?

  19. What are some methods of preventing data loss? • Failover system • Redundancy • Removable media (CDs, flash drives, external drives) • Offsite/online storage (e.g. Dropbox)

  20. What are different methods of releasing updates and patches? • Manual download • At any time (critical) • Periodic (weekly, quarterly, etc.) • Automatic updates

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