A Context Diagram Of The System Essay

Introduction

There are seven undertakings in the assignment. Each undertaking contains a specific subject of Systems Analysis and Design. In the undertaking 1 it is said to make context diagram, usage instance specification and activity diagram. These diagram aid to analysis and plan for a computing machine system. So the diagrams are really of import in the existent life.

( A ) A Context Diagram of the system.

Context diagram: now I am attempt to pull a context diagram below-

B ) A statement of the purposes and aims of the system.

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Aims & A ; Aims

  • To supply and keep a high quality birdlife study system which shall be appropriate to and in maintaining which with the demands, resources and environment of the islands for the intent of run intoing the birdlife study and manpower demands of our people.
  • To cultivate all facets of the life of our people either separately or as a whole, by propagating the civilization of the Cook Islands, and by run intoing the developmental demands of our state.
  • Basically, it will give us an chance to hold an thought of such sort of entities every bit good as enrich our cognition refering the life manner of bird that they are habituated in executing the activities.
  • For the care of the life manner of different species of birds remaining in the peculiar countries and the sound observation of them included this study holding the better end product.
  • To farther promote and surrogate cultural activities and to transfuse in our kids, pride in themselves as members of a race and people ;
  • To farther promote and surrogate athleticss and the spirit of competition among our kids.
  • The development of the cognition of an single related to the birds every bit good as the common phenomena sing the activities.

( C ) A Data Flow Diagram for the system including:

  • Procedure descriptions
  • Dataflow descriptions
  • Data shop contents
  • External entity definitions

Data flow diagram:

Data flow diagrams are given below-

The voluntary is to roll up information about the life manner of the birds of specific countries. They are involved in roll uping information for the study V to speed up the study successfully. One should hold the construct of the location, countries, figure, and species and so on foremost. It is really tough to roll up the information that why voluntary should follow or can acquire from the voluntary info. From voluntary info the information helps to study the birdlife.

Volunteer should make map/sub-map. It is really tough to roll up the information that why voluntary should follow or can acquire from the voluntary info after roll uping all the information while appraising that clip a voluntary should update the information map info.

Volunteer should roll up information about the species get map info files.

After roll uping all the information while appraising that clip a voluntary should update the information of files associating figure, country locative etc study of the species.

Though this procedure one can easing gather adequate information in which voluntary info files help a batch to victimize duet the study.

Task-2

Problems:

Make a information theoretical account detailing the information construction required to back up the information and procedure demands of the birdlife study system including:

  1. An Entity Relationship Diagram for the system.
  2. Entity descriptions for all entities in the diagram.
  3. Relationships detailing optionality and grade of relationships between entities.

Introduction: – In undertaking 2 I have to make ERD ( Entity Relationship Diagram ) harmonizing to the functions of assignment. Now I am seeking to place some entities, properties and relation to work out or make ERD.

Entity:

We can specify an entity is an object or a thing.A Entity is an abstraction from complexnesss of some sphere. An entity may be physical object or conceptual.

Properties

An property is the description or information about an entity. Properties may one or more for an entity. Sometime the values of an property may numeric, a day of the month, a clip, a character twine, or some other basic informations values.

Entity Relationship Diagram ( ERD )

Entity Relationship Diagram ( ERD ) is sort of graphical relationship of entities and properties, typically used in calculating system in the organisation of database and information system. The relationship of ERD is used to demo how to the information is shared between entities.

The type of relationship between entities of Entity Relationship Diagram ( ERD ) :

In by and large three types of dealingss are seen and these are: –

1. One to One

Relationship Figure

2. One to Many

Relationship Figure

3. Many to Many

Relationship Figure

Entity diagram of the system: –

( B ) Description of all entity:

Entities are the most of critical elements of diagram. All entities are listed and described below-

  • Survey.
  • Staff
  • Volunteer.
  • Map/sub map.
  • Speciess.

Survey section creates map and sub map for voluntary. Each voluntary observes specific country which is selected by study section. Survey section selects specific country for specific voluntary. Every voluntary have own alone Idaho. And study section provides map to the voluntary which besides have a alone map Idaho. Volunteer are to study on this topographic point which are selected by section. Volunteer is to study and record all species which are seen by them. They besides record how many species are seen on the study country and besides enter how many juvenile are seen. They submit all of informations in section by utilizing a web signifier.

( C ) Attributes of all entity:

All properties of all entity and primary key and foreign key are listed below-

entity name: study

Property:

study Idaho ( PK )

voluntary Idaho ( FK )

study day of the month

Primary key

study Idaho

Foreign key

Volunteer Idaho

1.

2.

Entity name: Staff

Property:

Staff Idaho ( PK )

Staff name

Staff reference

Primary key: Staff Idaho

Entity name: map/sub map

Properties:

map Idaho ( PK )

voluntary Idaho ( FK )

Primary key

map Idaho

Foreign key

Volunteer Idaho

3.

Entity name

voluntary

Properties:

voluntary Idaho ( PK )

map Idaho ( FK )

voluntary name

vol reference

vol phone

vol electronic mail

Primary key

voluntary Idaho

Foreign key

map Idaho

entity name

species

Property:

species id ( PK )

map Idaho ( FK )

voluntary Idaho

species name

Primary key

species id

A A Foreign key

Map Idaho

( vitamin D ) Relationship between entities: now I am attempt to analysis relation between entities. Relationship is given below… … … …

  • Relationship between study section and voluntary is one to many.
  • Relationship between voluntary and study is one to one.
  • Relationship between map and species is one to many.
  • Relationship between voluntary and species is one to many.

Decision: the undertaking is completed to follow by all standards which set by assignment. I am seeking to work out this job absolutely.

Task-3

Problems:

Discuss the jobs presented by leting the voluntaries to straight input their recorded informations into the database via the web site. Explain the steps you would set in topographic point to get the better of these jobs.

Problem:

  1. The activities of voluntary may non be successful due to the unauthorised entree that it becomes failure for the inordinate description.
  2. The virus can impact the information processing system where an person fails to cover the information decently.
  3. The waiter may non be updated due to some jobs sing the information input system.

Solution:

  1. The activities of voluntary should be authorized that a voluntary merely be able to set the information through the waiter which will be authorized.
  2. Go get redress from the virus-attack the anti-virus must be used by the voluntary while inputting the information.
  3. The waiter should be updated for the intent of presenting the information sing the specific countries.

Task-4

Introduction:

Standardization is the of import affair and portion for planing and developing any computerized system. In this full assignment I am seek to make a set of standardization tabular array.

a ) A set of to the full normalized tabular arraies demoing the standardization procedure for each

Standardization for birdlife study:

Standardization for birdlife study: Normalization normally involves spliting a database into two or more tabular arraies and specifying relationships between one to another the tabular array.

  1. Gathering informations.
  2. Choosing Key.
  3. Converting to 1NF ( Remove to reiterating informations )
  4. Converting to 2NF ( Remove parcel cardinal dependance )
  5. Converting 3NF: ( Remove not cardinal dependence )
  6. Optimization:

1. Gathering informations: Survey ID ( PK ) , Survey reference, Survey phone, Staff, Staff name, staff reference, Code figure of squire, Date of visit, Weather status, Commit, Species, Map/Sub-map, Number seen, Number of immature, Volunteer, Volunteer name, Volunteer reference, and Volunteer country.

2. Choosing Key: Survey ID ( PK )

3. Converting to 1NF ( Remove to reiterating informations ) .

Survey

Survey ID ( PK )

Survey name

Survey reference

Survey phone

Staff

Staff name

Staffs reference

Volunteer ID

Volunteer name

Volunteer reference

Volunteer country

Map/Sub-map

Date of visit

Start clip of visit

Weather status

Commit

Speciess

Speciess ID ( PK )

Code of bomber squire

Number seen

Number of immature

4. Converting to 2NF ( Remove parcel cardinal dependance ) .

Survey

Survey ID ( PK )

Survey name

Survey reference

Survey phone

Staff

Staff ID ( PK )

Staff name

Staff reference

Survey ID ( FK )

Volunteer ID

Volunteer name

Volunteer reference

Volunteer country

Map/Sub-map

Date of visit

Start clip of visit

Weather status

Commit

Speciess

Speciess ID ( PK )

Code of bomber squire

Number seen

Number of immature

5. Converting 3NF: ( Remove not cardinal dependence )

Survey

Survey ID ( PK )

Survey name

Survey reference

Survey phone

Staff

Staff ID ( PK )

Survey ID ( FK )

Staff name

Staff reference

Date of visit

Start clip of visit

Weather status

Commit

Volunteer

Volunteer ID ( PK )

Staff ID ( FK )

Volunteer name

Volunteer reference

Volunteer country

Map/Sub-map

Map/sub-ma ID ( PK )

Map/sub-map name

Map/Sub-map country

Code figure of squire

Speciess

Speciess ID ( PK )

Code of bomber squire

Number seen

Number of immature

6. Optimization:

B ) Data dictionary entries for all points included in the database design.

1. Data lexicon for Survey.

Data lexicon

Birdlife study

System:

S8c

Type: structureA A A A A A A A A A A A A Name: Survey

Definition:

Survey =

Survey ID ( PK ) +

Survey name+

Survey address+

Survey phone+

Happening:

Picture:

Writer

Tofayel Ahmed

Date

30.03.2011

2. Data lexicon for Staff

Data lexicon

Birdlife study

System:

S8c

Type: construction Name: Staff

Definition:

Staff=

Staff ID ( PK ) +

Survey ID ( FK ) +

Date of visit+

Start clip of visit+

Weather condition+

Commit+

Happening:

Picture:

Writer

Tofayel Ahmed

Date

05.04.2011

3. Data Dictionary for voluntary:

Data lexicon

Birdlife study

System:

S8c

Type: construction Name: voluntary

Definition:

Volunteer=

voluntary ID ( PK ) +

Staff ID ( FK )

voluntary Name +

voluntary Address +

voluntary phone+

Happening:

Picture:

Writer

Tofayel Ahmed

Date

05.04.2011

4. Data lexicon for Map/sub-map.A A A A A A A A A A A A A

Data lexicon

Birdlife study

System:

S8c

Type: construction Name: Map /sub-map

Definition:

Map/sub-map=

Map/sub-map ID ( PK ) +

Volunteer ( FK ) +

Map/sub-map name +

Code figure of squire+

Happening:

Picture:

Writer

Tofayel Ahmed

Date

15.04.2011

5. Data lexicon for species:

Data lexicon

Birdlife study

System:

S8c

Type: construction Name: Speciess

Definition:

Species=

Speciess ID ( PK ) +

Code of bomber squire+

Number seen+

Number of young+

Happening:

Picture:

Writer

Tofayel Ahmed

Date

15.04.2011

Task-5

Problems:

Make a paradigm user interface for usage by a voluntary including, as a lower limit, the undermentioned maps:

a ) Adding the general inside informations of a new study.

B ) Sing the information from one of their ain studies.

degree Celsiuss ) Recording the sighting of a species.

Print screenshots of the user interface for the maps in a ) , B ) and c ) above. Where necessary, depict where proof regulations are applied and the grounds for this.

Introduction:

By fluxing regulations, ordinance and recommendation I am trying to make a paradigm user interface for voluntary.

a ) : Adding the general inside informations of new study: –

degree Celsius ) : species spying record:

Task-6

Problem:

Make a User Guide for the system. This should non be a comprehensive system manual but a mention papers that voluntaries can utilize as a speedy usher to the undertakings they need to transport out.

Introduction: –

To understand decently user informations and submitted should proper subject what to make. A user physical helps them to make this occupation easy. By utilizing this physically a user can proper uses more inside informations about from and how to subject their collected informations. Now I am seeking to depict below how I can be after our wish user manual.

Name of the Manual: birdlife study user manual.

Table of content: –

New study from… … … … … … … … … … … … … … ( 29 )

Survey hunt from… … … … … … … … … … … … … ( 31 )

Speciess record from… … … … … … … … … … … … … ( 34 )

Introduction: – I am planing the manual by following simpleness and increase by more information. For this ground, user can easy understand the manual. The user from are design good easy and more inside informations are narrate in this manual. Detailss are narrated below.

Description: –

New study from: – I designed this from good easy. A bead down bill of fare are created for Survey ID, there are user may easy foreground the Survey ID from bead down bill of fare. Another bead down bill of fare besides creates from Volunteer ID. It is really easy undertaking to foreground this ID ( voluntary ) from bead down bill of fare. A simple text can utilize to compose voluntary name. Like as Survey ID/Volunteer ID by undertaking easy to foreground this ID ( Code figure of square and day of the month ) from bead down bill of fare. A simple text can utilize to compose start clip of visit. This study user may easy compose by Weather status text country. While I will snap registry button to add database with assorted informations update. Again I will snap Reset button so I will acquire place page. A screen shooting of this from are given below.

A bead down bill of fare are created for Survey ID, there are user may easy foreground the Survey ID from bead down bill of fare. Another bead down bill of fare besides creates from Volunteer ID. A screen shooting of this from are given below.

A bead down bill of fare are created for Code figure of square, there are user may easy foreground the Code figure of square from bead down bill of fare. A screen shooting of this from are given below.

A bead down bill of fare are created for Code figure of square, there are user may easy foreground the Date of visited from bead down bill of fare. A screen shooting of this from are given below.

Survey search signifier: –

I designed this from good easy. A bead down bill of fare are created for Volunteer ID & A ; Code figure of square, while I will choose Volunteer ID & A ; Code figure of square, so click hunt button. I will see full information these are about Volunteer ID & A ; Code figure of square. A screen shooting of this from are given below.

A bead down bill of fare is created for Volunteer ID & A ; Code figure of square, while I will choose Volunteer ID & A ; Code figure of square. A screen shooting of this from are given below.

This page full information these are about Volunteer ID & A ; Code figure of square. A screen shooting of this from are given below.

Speciess record from: –

I designed this from good easy. A simple text can utilize to compose mark ID. A bead down bill of fare are created for Survey ID & A ; Volunteer ID, there are user may easy foreground the Survey ID & A ; Volunteer ID from bead down bill of fare. A simple text can utilize to compose Code of sub-square name & A ; species name. This undertaking to foreground figure seen from figure text. A simple text can utilize to compose Number of immature or juvenile birds seen. While I will snap subject button to add database with assorted informations update. Again I will snap Reset button so I will acquire place page. A screen shooting of this from are given below.

A bead down bill of fare are created for Survey ID & A ; Volunteer ID, there are user may easy foreground the Survey ID & A ; Volunteer ID from bead down bill of fare. A screen shooting of this from are given below.

A simple text can utilize to compose Number of immature or juvenile birds seen. While I will snap subject button to add database with assorted informations update. Again I will snap Reset button so I will acquire place page. A screen shooting of this from are given below.

Decision: –

I think the user manual is assorted easy to understand. All the signifiers are described with screenshot owing that the user may easy understand. In future I will make a picture tutorial for user that “How to make full up the form” . And besides add unrecorded support for user. User may acquire all of their demand from this.

Task-7

Problems: Make a comprehensive, professional criterion study depicting your system design for the birdlife study. This should include the inside informations of undertakings 1 – 6 including the User Guide.

Introduction:

For the improvement of appraising a voluntary should hold the construct of some regulations and ordinances and that have been described for the convenience of placing the construct sing the birds ‘ life style, their species, locations and so on. Through this one can hold the construct of the information of bird ‘s life spontaneously.

Undertaking 1

It is so of import to hold a clear construct sing the study of the birds for the convenience of the voluntary in the processing of the life manner of birds at a same clip the diagram helps a voluntary to finish his plants successfully through computerized process. The diagram is needed for treating the study that associating to birds of a specific country. Basically, this helps to supply information about the bird ‘s life and one can easy hold the construct of the life style of birds through the study. It aims at cultivating all facets of the life of the birds ; it may be for a portion or a whole for the birds of a certain area.A Its aim is the farther advance the information of the study and the troubles that are faced by the voluntary at the clip of appraising. While roll uping the information 1 has to fall in problem due to the defeats of proper guideline. That ‘s why a voluntary must hold the construct for appraising the life style of the birds of specific countries and here a diagram helps to make finish the activities.

Undertaking 2

ERD diagram is used to place the entities, properties and the relationship sing the bird ‘s study. Basically, an entity is an object or thing and it may hold the physical form or may non but this term is related to the appraising procedure of the birds ‘ life. Here an property is related to an entity as it describes the information about an entity. The values of an property may numeric, a day of the month, a character twine or some other informations values. In the procedure of roll uping informations sing the bird ‘s life an Entity Relationship Diagram ( ERD ) is sort of graphical relationship of entities and properties, typically used in calculating system in the organisation of database and information system. Normally, relationship of ERD is used to demo how to the information is shared between entities and the properties.

In a word, entities are the most of critical elements of diagram. All entities may include Volunteer, map/sub map, species, study, appraising material. Survey material creates map and sub map for voluntary. Each voluntary observes specific country which is selected by study section. Survey section selects specific country for specific voluntary. Every voluntary have own alone Idaho. And study section provides map to the voluntary which besides have a alone map Idaho. Volunteer are to study on this topographic point which are selected by section. Volunteer is to study and record all species which are seen by them. They besides record how many species are seen on the study country and besides enter how many juvenile are seen. They submit all of informations in section by utilizing a web signifier.

All properties of all entity and primary key and foreign key are followed like these ; relationship between study section and voluntary is one to many, relationship between voluntary and study is one to one, relationship between map and species is one to many, relationship between voluntary and species is one to many. Through this procedure one can acquire the construct of appraising.

Task-3

At the clip of appraising a voluntary may confront some jobs and for that one is to hunts for the solutions. The activities of voluntary may non be successful due to the unauthorised entree that it becomes failure for the inordinate description. The virus can impact the information processing system where an person fails to cover the information decently. The waiter may non be updated due to some jobs sing the information input system. To hold the solutions one should follow some regulations.

The activities of voluntary should be authorized that a voluntary merely be able to set the information through the waiter which will be authorized. Travel get redress from the virus-attack the anti-virus must be used by the voluntary while inputting the information at the same clip the waiter should be updated for the intent of presenting the information sing the specific countries.

Task-4

Standardization is the of import affair and portion for planing and developing any computerized system. A set of to the full normalized tabular arraies show the standardization procedure for each standardization for birdlife study.

Normalization normally involves spliting a database into two or more tabular arraies and specifying relationships between one to another the tabular array. It normally includes ; Gathering informations, Choosing Key, Converting to 1NF ( Remove to reiterating informations ) , Converting to 2NF ( Remove parcel cardinal dependance ) , Converting 3NF: ( Remove not cardinal dependence ) , Optimization.

After finishing the procedure of standardization it can be able to demo in the information lexicon. Data dictionary entries for all points included in the database design.

Undertaking 5

For usingA by a voluntary including, as a lower limit, one is to make prototype user interface in which some maps are needed these include: To add the general inside informations of a new study, A to see the information from one of their ain studies, to enter the sighting of a species. Above mentioned informations are the print screenshots of the user interface for the maps Where necessary, depict where proof regulations are applied and the grounds for this. By following regulations, ordinance and recommendation I am trying to make a paradigm user interface for voluntary.

One have to plan this signifier good easy. A bead down bill of fare are created for Survey ID, there are user may easy foreground the Survey ID from bead down bill of fare. Another bead down bill of fare besides creates from Volunteer ID. It is really easy undertaking to foreground this ID ( voluntary ) from bead down bill of fare. A simple text can utilize to compose voluntary name. Like as Survey ID/Volunteer ID by undertaking easy to foreground this ID ( Code figure of square and day of the month ) from bead down bill of fare. A simple text can utilize to compose start clip of visit. This study user may easy compose by Weather status text country.

Undertaking 6

To understand decently user informations and submitted should proper subject what to make. A user physical helps them to make this occupation easy. By utilizing this physically a user can proper uses more inside informations about from and how to subject their collected informations. One should depict how the user usher maps and the name of the manual entitled “birdlife study user manual” .

One should plan the manual by following simpleness and increase by more information. For this ground, user can easy understand the manual. One can make the user usher like three types: New study from, Survey search form andA A Species record from. The description of user usher among the three is given below: A bead down bill of fare can createA for Survey ID, there are user may easy foreground the Survey ID from bead down bill of fare. Another bead down bill of fare besides creates from Volunteer ID. It is really easy undertaking to foreground this ID ( voluntary ) from bead down bill of fare. A simple text can utilize to compose voluntary name. Like as Survey ID/Volunteer ID by undertaking easy to foreground this ID ( Code figure of square and day of the month ) from bead down bill of fare. A simple text can utilize to compose start clip of visit. This study user may easy compose by Weather status text country. While I will snap registry button to add database with assorted informations update. Again I will snap Reset button so I will acquire place page.

By and large, the user manual is assorted easy to understand. All the signifiers are described with screenshot owing that the user may easy understand. In future It is needed to make a picture tutorial for user that “How to make full up the form” . And besides add unrecorded support for user. User may acquire all of their demand from this.

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