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Efficient System Implementation and Support

Understand systems implementation and support processes, testing methods, installation planning, data conversion, training users, and ongoing system maintenance. Learn from real-world cases and discussions.

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Efficient System Implementation and Support

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  1. MSIS 630: Week 13 System Implementation and Support 1/3/2020

  2. Class 13: System Implementation • System Implementation • System Support • Broadway Entertainment Co. Inc., Case • Group Discussion

  3. What is Systems Implementation? • Systems implementation is the construction of the new system and the delivery of that system into production (meaning day-to-day operation).

  4. System Implementation • Seven major activities • Coding • Testing • Installation • Documentation • Training • Support • Purpose • To convert final physical system specifications into working and reliable software • To document work that has been done • To provide help for current and future users

  5. Software Application Testing • The purpose of the testing is confirming that the system satisfies requirements • Testing must be planned • Types of Testing • Test Case • Acceptance Testing by Users • Alpha Testing • Beta Testing

  6. Types of Testing • There are three levels of testing to be performed: stub testing, unit or program testing, and systems testing. • Stub testing is the test performed on individual modules, whether they be main program, subroutine, subprogram, block, or paragraph. • Unit or program testing is a test whereby all the modules that have been coded and stub tested are tested as an integrated unit. • Systems testing is a test that ensures that application programs written in isolation work properly when they are integrated into the total system.

  7. Planning Installation • Considerations • Data conversion • Error correction • Loading from current system • Planned system shutdown • Business cycle of organization

  8. Conversion • Prepare a detailed conversion plan to provide a smooth transition from the old system to the new system. • Convert to the new system from the old system and evaluate the project experience and final system.

  9. Train System Users • Provide training and documentation to system users to prepare them for a smooth transition to the new system.

  10. What is Systems Support? • Systems support is the on-going maintenance of a system(s) after it has been placed into operation. This includes program maintenance and system improvements. • Systems support often requires developers to revisit activities typically performed in systems analysis, design, and implementation.

  11. The Year 2000 and Systems Support • The year 2000 problem was the potential of triggering widespread computer application disasters across many corporations.

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