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DESIGN AND IMPLEMENTATION OF A SOFTWARE BASED PERSONAL DIGITAL ASSISTANCE (PDA)
ABSTARCT
The topic of the study “Design and Implementation of a Software based Personal
Digital Assistance (PDA)” is the one I will be writing about in this project.
The world is in a state of flux and volume of activities awaiting an individual
to carry out has become tremendous and in some case complex.
The individual needs to keep and organize his daily, past and future
activities. This including keeping records of telephone numbers and addresses
of friends and business associate, wedding, contact and business opportunities,
list of debtors and creditors and other addresses including menu time table in
the home and other private matters that cannot be easily remembered. The
computer can be used to store these data organized in a way that a meaningful
information can be got from them quickly too.
ORGANIZATION OF THE WORK.
This work is organized in seven (7)
chapters
CHAPTER ONE: Highlight on aims and
objectives nature of the project and general work to be done what it will
achieve and the importance derived from doing the work.
CHAPTER TWO: Describes and analysis the
existing system, state the mode of operation and identify the problems facing
it and a solution to the inherent problem.
CHAPTER THREE: Describes the input and
output analysis, the prospects and problems of the existing system and
justification of the new system.
CHAPTER FOUR: Design of the new system,
the thing in the present system and also the new items or structure that needed
to enhance the new or furthermore file structure was designed with which can
append records update records, delete records and print output
CHAPTER FIVE: Describes the programming
phase and its objectives what the new system must input so that it economize
and reliantly performs its designated task.
CHAPTER SIX: Describes the
documentation of the program.
CHAPTER SEVEN: Describes the conclusion
of this project.
REFERENCE: It is where research
were made.
TABLE OF CONTENT
CHAPTER ONE
1.0
Introduction
1.1
Background of the study
1.2
Statement of the problem
1.3
Aims and objectives of the study
1.4
Significant of the study
1.5
Scope of the study
1.6
Limitation of the study
1.7
Definition of terms
CHAPTER TWO
2.0
Description and Analysis of the existing system
2.1
Fact finding methods
2.1.1
Interview method
2.2.2
Personal observation
2.2.0
The Analysis of the Existing System.
2.2.1
The functionality of the existing system.
2.2.1.1
The objective of the existing system
CHAPTER THREE
3.0
The input prices analysis
3.1
The output analysis
3.2
The prospect / advantages of the existing system
3.3
The problems / disadvantages of the existing system
3.4
The justification for the new system.
CHAPTER FOUR
4.0
Design of the new system
4.1
Output Specification design
4.2
Input Specification Design
CHAPTER FIVE
5.0
Implementation
5.1
Program Design
5.2
Program flow chart
5.3
Pseudo code
5.4
Field design
5.5
Master file.
5.6
Transaction file
5.7
Procedure chart
5.8
System flow chart
CHAPTER SIX
6.0
Documentation.
CHAPTER SEVEN
7.0
Conclusion.
CHAPTER ONE
INTRODUCTION
1.1
BACKGROUND OF THE STUDY
The study “Design and Implementation of a Personal digital Assistance” (P.D.A)
is aimed at developing a software package that will provide the user with a
good environment to organizing the personal data and records for easy access
and retrieval of information that are in constraint use. Software is the
general name for all programs executable by computer system in order to produce
the desire result.
A program is defined as a list of logically arranged instruction that is
executable by the computer system in order to give the desired result.
Therefore software based personal organizer, in this study, refers to the
application of computer software in the storage, retrieval and organization of
personal data and information. There is no individual, no matter his/her level
of responsibility who has ever had the need to keep any sort of records be it
mere thought, facts and figures keeping records is like breathing. In human
perspectives breathing is good but there is something more than breathing that
is being alive.
In the early biblical days facts and figures were kept by making impressions on
sticks and stones. When an invitation to attend a meeting for instances is made
the inviter usually will give the invitee a stick or palm tree leaf which
serves as reminder to the invitee and which the invitee must return to the
inviter as the appointed date and time. The invitee will usually lace this
sticks or palm tree leaf at his door. This was not a serious problem because in
those days there were fewer or no invitations.
In recent times, the volume of records keeping has greatly increased and man
has come up with several ways of accomplishing this and these include:
i.
Journals are kept to record events that have occurred.
ii.
Diary planners are employed to better co-ordinate ones movement and action.
iii.
Address books are kept to store pertinent reformation such as contact addresses
and phone numbers of friends, relatives, business associate and acquaintances
ad
iv.
Memo pads for jotting down all purpose notes which are kept within easy
reach. All these could be grouped under one namely “DIARY”. The
diary can be annual, bi-annual or even perennial sparing five to ten years or
more.
This form of diary is
called manual type. In the manual type input is made manually hence
correcting and updating of information is done by cancellation and rewriting,
standard output is by browsing through the pages of the book.
There is another form of organizer named electronic personal organizer.
It is an electronic device which look like a calculator which adds digital
members. It has a very small screen and an input keyboard. However
this type of organizer it not with out it’s short comings some loose all the
information stored in them the moment the system battery runs down these
electronic organizers the battery operated with low memory capacity.
Today the world is in a state of flux and experiencing quantitative revolution:
the primitive intuitive or questionable approach to problem solving, data
analysis, storage, retrieval and update are rapidly becoming out molded.
The volume of data and information required for storage and easy
retrieval has become very large and complex. More so in this ere of
e-mail and interface connections with their attendant volume of addresses and
business information contacts, there is modern quest for objectives bases for
all kinds of decision based on data storage and organization.
A more cursory glance at recent issues of professional and learned journals,
internet, or even newspaper and trade journals prove conclusively that there is
an increasing use of data, facts and figure. To substantiate business and
personal activities and then research conclusion.
Again collection of facts and figures are useful only when they can be stored
correctly, organized properly and retrieved quickly. This is another
reason why the researcher are embarking on the is very important study.
1.2
STATEMENT OF THE PROBLEM
Historically, there
has existed major problems involved on date collection, storage, organization
and retrieval. As a result many people still embark on manual organizer
of collecting facts and figures. The problems identified or associated
with this manual means of data storage and retrieval could be classified as
follows:
i.
For voluminous data, retrieval of information is difficult and tire some and
can be quite frustrating and time wasting;
ii.
To update information in manual organizer involves cancellation and alteration
of records thereby rendering the job untidy.
iii.
Even with the electronic organizer the limited memory space makes it possible
for valuable information to be eraser in order to store current information or
current information not stored at the expense of important information
previously stored which must not be erased; and manual organization are
subjected to unauthorized access and retrieval since one who lays hands on it
has access to it.
1.3
AIMS AND OBJECTIVES OF THE STUDY
A personal organizer
is purely on information management system having features including accuracy
clarity and conciseness. The purpose of this study therefore is to
identify the problem encountered in the manual organizer using the above
qualities of good information system as criteria and to design and implement a
personal digital assistance (PDA) for effective. Data storage and
retrieval. In view of the problem identified in the manual organizer as
stated in 1.2 above, the aims and objectives of this study there fore is to
design a personal digital assistance (PDA) having specified features.
i.
Fast and easy retrieval of data and information
ii.
Quick updating of information; and
iii.
Data security and integrity checks.
1.4
SIGNIFICANT OF THE STUDY
A personal digital
assistance (PDA) is purely an information management system (IMS) having many
features such as accuracy, clarity etc. the significance of the study
therefore is that it will provide possible solutions to the problems
encountered in the manual organizer. With the electronic personal digital
assistance (EPDA) one can save or rather store as many data as possible ranging
from names, addresses, important dates, schedules and so on, where the
retrieval is easy and without stress.
1.5
SCOPE OF STUDY
According to sanders
(1990)
Whatever you can imagine, conceive and believe in your heart you can
computerized. All aspect of personal digital can be computerized but due
to time and cost the scope of the personal digital include all data and
information that can be classified as:
i.
Addresses: phone numbers, fax numbers e-mail and internet addresses.
ii.
Appointment schedules: birthday, meeting and wedding etc.
iii.
Simple personal budgeting for personal income and expenditure accounts
iv.
Important personal events such as year of marriage, graduation etc. and
password protection for both identification and authentication.
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