DESIGN AND IMPLEMENTATION OF A COMPUTER-BASED TELEPHONE DIRECTORY SYSTEM

ABSTRACT

 

          Reason for a telephone directory in to have a guide or what we can call a director. Subscribers of the telecommunication industry of may not find it very easy to locate information on a voluminous pages of a telephone directory, take an instance where we have over 70,000 subscribers, it will take a whole lot of time before one can easily trace his/her information (A Directory contains information like Name, Address and avacodes of subscribers) because of this time wasting and inflexible way this time wasting and unflexible way this manual approach act, computerization become a meant do activities that must be carried out on directory system.

 

TABLE OF CONTENTS

Title Page

Abstract

CHAPTER ONE: INTRODUCTION

Statement of Problem

Purpose of Study

Aims and Objectives Scope of Study

Limitations of the Study

Definition of Terms

 

CHAPTER TWO: LITERATURE REVIEW

CHAPTER THREE: DISCRIPTION AND ANALYSIS OF THE EXISTING SYSTEM

Fact finding Method Used

Organizational Charts

Objectives of the Existing System

Input, Process, Output Analysis

Problem of the Existing System

Justification of the New System

 

CHAPTER FOUR: DESIGN OF THE NEW SYSTEM

Output/Input Specification and Design

File Design

Procedure Charts

System Flowcharts

System Requirements

 

CHAPTER FIVE: IMPLEMENTATION

Program Design

Program Flowcharts

Pesud

ocode

Source Program

Test Run

 

CHAPTER SIX: DOCUMENTATION

Choice of Language

Language Introduction

CHAPTER SEVEN: CONCLUSION AND RECOMMENDATION

Conclusion

Recommendation

References

Appendix

CHAPTER ONE

1.0     INTRODUCTION

          One of the most exciting aspects of the information technology revolution is the combining, telecommunications with computing. This allows information to be processed by computer and then transferred down telephone lines to the recipient computers. The speed at which this can be done surpasses more conventional communication techniques. The process is no longer limited to telephone.

The combination of computer and telecommunication technologies has heed profound effect on the way computer system are organized.

NITEL (Nigeria Telecommunication Plc) is one of the organization that gives communication services to subscriber (Although there are presently other private driven communication services subscribers.

NITEL has the list of all its subscriber in a book where they keep records of each subscriber in a unique way. Periodically when new subscriber come in, they update the book let it become a routine when a subscriber comes in or leaves to update the booklet.

This way of producing information or producing of this booklet will always be hindered since manual operation is involved and most time, it be can become error prone and then misleading people.

This booklet is known as TELEPHONE DIRECTORY which is the fulcrum or pivot of this project. Since computer revolution involves and covers all works of life just as we have said earlier, when adopted and it replaces the manual method of processing, there is indeed going to be a complete revolution in the system.

Using of key fields for searching and retrieving of any viable information of any subscriber will be easer and fast.

 

STATEMENT OF THE PROBLEM

          Many people lacks the will to read books either of small or large size. Unfortunately, the telephone Directory in a voluminous and it become tasky to search through such text and moreso it involves lot of time.

Inflexibility of this manual system is nothing to write home about hence computerization of the system becomes imperative and nothing to ignore because it is not easy to modify or update information.

Finally, another problem facing this system is the cost of production. It is always involve much money to produce booklet of telephone Directory.  The maintenance also involve using the money and they all are carried out periodically.

 

PURPOSE OF THE STUDY

          Having states the problem of this work (The system in review) than what my reason or reasons of going into the study?

The system is defectize and does not belong to a Millienia generation like ours where computer have taking he entire of the stage and the world is now in what is called “Jet age” (Word or phrase associated with speed).

To uplift the standard of telecommunication in Enugu East Local Government Area, Computerization of their system becomes a must. Another thing is flexibility, as stated in the problem that the manual system is not flexible, avoiding time wasting in such system communication automation must come in.

 

 

AIMS AND OBJECTIVES

          One of the aims of his work is to produce a computer based system, that will be able to carry out the operations of the present system effectively and reliably. Another thing is to produce an less expensive system that is easy to maintain and update. Finally, good work is commendable, so when this work is successfully completed I believe the society and people around will appreciate my work.

 

SCOPE OF STUDY

          This study is concerned with the Telephone Directory Operations alone the searching, updating and editing are only to be carried out and nothing beyond this in the work, but there is always room for improvements so whoever wish to start from hence, it is a good idea to be welcomed. This  method helps and encourages improvement.

 

LIMITATION OF THE STUDY

          Factors abound to be faced during this work and they are inevitable. Such factors will actually be constraints to the high attainments of getting the greatest percentage of this project such factors include examination which is around the coroner, cost of transportation to and fro my case study environment, lectures and quizzes, assignments and many other uncertainties.

 

DEFINITION OF TERMS

          There are some terminologies that are peculiar to this study, some of which are defined below:

TELECOMMUNICATION:    can be defined as communication by cables, telegraph and telephone.

TELEPHONE: System transmitting the voice by electric current through wires.

DIRECTORY: List of telephone subscribers.

DATA: Basic facts for computer process.

FIELD:  A collection of related data item.

RECORD: A collection of related fields.

FILES: A collection of logically related data items.

COMMUNICATION: The act of exchanging information from one person to another.

INFORMATION: These are data that has been processed.

SYSTEM: This is interrelated procedure that makes up a whole.

 

CHAPTER TWO

 

LITERATURE REVIEW

Dialing is a means by which a subscriber signs the exchange to link him to another subscriber. It usually involves the manipulation of some form of device called the telephone dial, build into the subscriber set.

Brandel Mary, March 10, 1997, in her book (Computer World Global Innovators) states that computer is changing and making the activities of business easier. Organization of any kind, ranging from a small scale seane to a very large scale organization can no longer do without the computer and besides the hardware competitive software are emerging handling sophisticated data and activities. The telecommunication industries is not left out software that can organize and manipulate data quickly, handle files with ease. The speed at which this can be done surpasses move conventional communication techniques.

Various attempts have been made in the history of telephone system to achieve this. During the earliest stage each subscriber directly to the other within the communication system, but as the telephone service grew, the network became complex and economically disadvantage to implement in operator at the central permit normally links a subscriber at the line he wants to communicate with. The particular system was however called the manual exchange system.  For communication to take place here, a subscriber must first of all called the operator and tell him the particular line he or she wants to communicate with. With the advert of this new technology in computer telecommunication has been reduced to household and friendly tools to subscribers.

According to Shardd Dawne April 10, 2000 (Computer World) Computer capabilities in handling information and processing them cannot be compare to conventional way of handling information. The days of carrying log of books and files (i.e cabinet method) is over the present age is referred to as “Jet Age” where though happens in a matter of seconds. Applying the computer system to the communication industries ahs a deal of effect. The problem brought about by the manual system of dialing telephone and recording subscriber’s information in cumbersome and error phone. The problem is much common in NITEL Plc, when trying to solve customer/subscriber’s congestion in the telephone dialing section. There is always a problem. This has continue a long time in the section, but with new technologies of complete automation of the system of this section and the record section the system will be more efficient, effective, experienced high speed of durability, just as stated by Shardd in his book. Dialing system can be entered due to the use of manual dialing and can be written in home by the using organization or written by computer consultants. Such program (software) are specifically tailored to the taste and the need of such organization. Otherwise the firm can also purchase these packages from the software market and adjusted to the taste of the organization as the need arises.

Smith Heather A. and James D. Mckeen 1996 (objected Oriented Technology: Getting behind the hype) A book on Modern Technology enables database to be organize in a swift and easy way. This software is a new technology that is capable of training around information system and computerization. The computerization of NITEL Directory will not be in mess as far as it is done in appropriate way. In the book above, software of the new age will rejuvenize the communication world solving at least 98.75% data handling, file processing and telephone services. The NITEL, Enugu East Local Government Area is a sub of the main NITEL Enugu which has a unique organizational structure.

The up-review of the computerization of the Directory System of NITEL Enugu East Local Government Area is actually a must do.

 

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