Distributed Processing Systems

By Robert J. Thierauf | Go to book overview
tion, handling data at the point of most familiarity, accomplishing much of the actual data processing at the source of data, and constructing the flow and configuration of information to meet the needs of a wide range of users.
QUESTIONS
1. Relate the 80:20 rule to the need for distributed processing.
2. How does the "building block" or "modular" approach apply to distributed processing systems? Explain.
3. Of what importance is the three-level approach to an understanding of distributed processing systems? Explain.
4. Of the various types of distributed networks presented in this chapter, which one(s) is (are) the most widely used? Why?
5. Why do current distributed processing systems tend toward an interactive processing mode? Explain.
6. a. How important is the clustered terminal concept in distributed processing? Explain.

b. How important is the management by exception principle in distributed processing? Explain.

7. What is the chief benefit of distributing an organization's data base?
8. In what ways is distributed processing a simplified approach to programming and implementation? Is this simplified approach related to autonomy of operation at the lower DP levels?
9. What is (are) the principal reason(s) for an organization to install a broad-based distributed processing system? Explain.
10. Criticize the following definition of distributed processing: "A distributed processing environment is one in which the focus is on the pre- and post- processing of data where the data originate while maintaining central control of the overall DP functions."

SELECTED REFERENCES

Alter, S. "Why Is Man-Computer Interaction Important for Decision Support Systems?," Interfaces, Feb. 1977.

Barna, B., "Can the IRS Go Distributed?," Computer Decisions, June 1977.

Booth, G. M., "Distributed Information Systems," AFIPS Conference Proceedings (National Computer Conference), Vol. 45, 1976.

Burnett, G. J., and Nolan, R. L., "At Last, Major Roles for Minicomputers," Harvard Business Review, May-June 1975.

Business Week Special Report, "Glowing Prospects for Brainy Computer Terminals," Business Week, Oct. 25, 1976.

Computerworld Special Report, "Distributed Processing: A Concept in Search of a Definition," Computerworld, March 28, 1977.

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