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ABSTRACT

This application of computer in various fields has eased a lot of problems encountered in the use of manual system in the various disciplines of like.  It is as measure towards addressing this issue that this project has primarily billing system that could get rid of all the shortfall.  In this project the researcher have analyzed the manual system and also identified some of the problems and limitation which scene to hinder the realization of the goals of the existing system. With regard to this the author has designed a kieb based telephone billing system to help minimize some of the problem inherent in the manual system. To bring the subject matter to pictorial form the user to appreciate more flow diagrams to be seen in subsequent chapters, more so this write up is mainly to introduce the reader to what main from can do especially in telephone billing system using Nitel Nigeria Plc Benin city as a case study.

 

 

 

TABLE OF CONTENTS

   CHAPTER ONE

1. Introduction                                                                   1
   1. Statement of the problem                                              3
   2. Purpose of the study                                                      3
   3. Aims and objectives                                                       4
   4. Scope                                                                             5
   5. Limitation or constraints                                                         5
   6. Assumption                                                                             6
   7. Definition of terms                                                         7

 CHAPTER TWO

1. Literature Review                                                                    9

CHAPTER THREE 

1. Description and analysis of the existing system            14
   1. Fact finding method used                                            14
   2. Organization structure                                                          16
   3. Objectives of the existing system                                16
   4. Input, process, output analysis                                             17
   5. Information flow diagram                                           18
   6. Problem of the existing system                                    20
   7. Justification of the new system                                   21

CHPTER FOUR

1. Design of the new system                                              23

4.1     output specification and design                                               24

4.2     input specification and design                                       25

4.3     file design                                                                       26

4.4     procedure chart                                                              28

4.5     system flowchart                                                           29

4.6     system requirements                                                      31     

 

CHPTER FIVE       

1. Implementation                                                              32

5.1     program design                                                              35

5.2     program flowchart                                                                  36

5.3     pseudo code                                                                            41

5.4     source program                                                              42

5.6     test run                                                                          43

CHAPTER SIX

1. Documentation                                                              44

CHAPTER SEVEN

1. Recommendation and conclusion                                  46

7.1     Conclusion                                                                     46

References                                                                      48

 

CHPTER ONE

INTRODUCTION

1. INTRODUCTION

Computer has proved its uniqueness in different works of life. It provides and in different ways reduces complexity and generate.   Maximum output.   This made possible through the unique features of computer system in the areas of speed, information storage and retrieval automatic is the important faced of economy in the society. If provides adequate communication causes great place havoc in the society.   The nature of communication determines the mode of transmission.  

Communication through the telephone system is one of the fastest and most reliable modes of message transmission.   Through the telephone system, information can be cone eyed quickly and adequately.   Information gets to the destination immediately and the sender receives feedback at the same time.   Information storage and retrieval is also achieved th