Computerized Voting System

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ELECTRONIC VOTING SYSTEM
Prepared By Md. Mostafizur Rahman STUDENT ID: 02201006 Md. Sharfuddin Bhuiyan STUDENT ID: 02101059 Md. Rajibul Hossain STUDENT ID: 02201010

A thesis submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Computer Science and Engineering

JANUARY 2007

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Department of Computer Science and Engineering

BRAC University, Dhaka, Bangladesh

Pages Containing Figures 1. Database System………………………………………………………………………14 2. Network System……………………………………………………………………….43 3. Decomposition of the System……………………………………………….44 4. Use Case……………………………………………………………………………………..48 5. Network system Structure…………………………………………………….50 6. System Flowchart……………………………………………………………………..53 7. Dataflow diagram……………………………………………………………………….54 8. Level 1 Diagram …………………………………………………………………….56 9. Entity Relationship Diagram for Registration………………..57 10. Entity Relationship Diagram for Registration………………..58

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DECLARATION

In accordance with the requirements of the degree of Bachelor of Computer Science and Engineering in the division of Computer Science and Engineering, I present the following thesis entitled ‘Electronic Voting System’. This work was performed under the supervision of Dr. Sayeed Salam.

We hereby declare that the work submitted in this thesis is our own and based on the results found by our self. This thesis, neither in whole nor in part, has been previously submitted for any degree.

Signature of Supervisor

Signature of Author

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Acknowledgement
I would like to express my sincerest appreciation and profound granitite to my supervisor Dr. Sayeed Salam, Chair Person, Department of Computer Science and Engineering, BRAC University, and Risat Mahmud Pathan lecturer of BRAC University for their supervision, encourage guidance. In the course of the project development he discussed problems. He helped to overcome hurdles. His keen interest and valuable suggestions and advice were the source of all inspiration to us. I would like to thank BRAC University for helping with all the required resource for completion of the thesis work.

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Abstract
Using the decade old election system to collect votes from the citizens is no longer considered efficient due to the various recurring errors. So time has arrived that the paper based primordial voting system which has already proven itself an inefficient and slow procedure is changed immediately. The system that is being followed currently, from data collection procedure to counting of the votes is a manual process. Here we are proposing an automated electronic voting system. It starts with automated registration system that will provide the secured database of the voters’ information. Voter details will be stored against their finger prints in the main database. The election commission authority is authorized to access the details but they aren’t authorized for modifying or changing the details. Modification of the voters’ information requires the fingerprint of the particular voter. So the system will help to minimize the corruption done by others, and hopefully corruption may be diminished at some point of time. In this system Voter will select his/her preferable candidate by providing his or her opinion on a touch screen where all candidates’ voting sign is displayed. Four layered network system will be used here for sending the votes from client to the main database there are three application server, and a client. Among them one application server will work as dispatcher. The encrypted votes will be sent from the client to the dispatcher through an application server and this layer will send those votes to main database through another application server. They will be counted there automatically which will take lesser time than the manual system. So the result will be faster, more accurate and reliable.

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1. Introduction

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1.1 Background: For a democratic country public opinion is the most...
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