Describe an example of each of the four types of maintenance: corrective, adaptive, perfective, and preventive. Discuss how the decision to proceed is reached in each case. Be specific.
DQ 2: Systems can live a long life.
Week 5 DQ 2 Systems can live a long life. Most of that time is spent in the maintenance mode. The cost of maintenance over a lifetime of a system can exceed the cost of development many times. Define and discuss different metrics to measure the effectiveness of maintenance activities. Why is it important to measure these me ...continues
DQ 3: Once the system is implemented, how shall it be devided?
Week 5 DQ 3 Once the system is implemented, how should the responsibilities for its maintenance be divided between the users and the information systems staff? Why?
What is a post implementation audit?
What is a post-implementation audit of an information system? When should it be performed? Who should perform it? Why should it be performed?
DQ 5: Should the people whom develop also maintain as well?
Week 5 DQ 5 Discuss whether or not the same people who develop the software should be tasked with maintaining it or whether or not a separate group should be tasked with development of software and separate group with maintaining it. Why? What are the primary advantages and disadvantages of these approaches? Any other appr ...continues
Scenario: A volunteer organization 'AllTechComm' is largely a group of computer professionals who wanted to give back to the community in a variety of ways, both non-technical and technical. A portion of your organization is support, HR, or training-oriented, and has only basic technical knowledge. You are the newly appoint ...continues
Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why: a. Printed questionnaires b. Telephone survey c. Bank checks d. Retail tags e. Long documents Convenience and quality of output are important. Explain what method of output wo ...continues
In another year, after all projects are completed, you plan to convert back to a volunteer basis with AllTechComm, and to find more profitable employment, preferably with a major corporation. You are doing all of the research and networking you can in the meantime, to assist you in your corporate pursuit. You are a part of a ...continues
Which Characterisitic features?
What common or characteristic features do you think make a project unsuccessful?
Scenario: A volunteer organization 'AllTechComm' is largely a group of computer professionals who wanted to give back to the community in a variety of ways, both non-technical and technical. A portion of your organization is support, HR, or training-oriented, and has only basic technical knowledge. You are the newly appoint ...continues