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A Performance Analysis of Modified Mid-Square and Mid-Product Techniques to Minimize the Redundancy for Retrieval of Database Records

Author(s): K. M. Sundaram | T. Santhanam | M. Saroja | C. P. Sumathi

Journal: Journal of Computer Science
ISSN 1549-3636

Volume: 6;
Issue: 4;
Start page: 386;
Date: 2010;
Original page

Keywords: Minimizing redundancy | record retrieval | objective type question bank | mid-square technique | | mid-product technique

Problem statement: An important tool in the field of education methodology is examination. As far as teaching-learning-evaluation process is concerned, the major task associated with the objective-type examination system is the administration of question paper setting. The lack of expertise and time are the major constraints that are encountered in the task of setting objective type question papers. During retrieval of records from a objective type question bank, redundancy may occur. To solve this problem, an approach needed to retrieve records from a database without redundancy. Approach: The task associated in generating the required collection of questions from a question bank, with minimal redundancy as far as possible in the retrieval of records from the question bank using mid-square and mid-product techniques for random number generation were discussed in this study. Results: A modified approach was identified and handled to generate random numbers and used to retrieve records from a database Conclusion: The suggested modified approach was more suitable for retrieving records from a database of even smaller size.
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