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Requirement Analysis Using Rich Pictures IT Essay

In south east Great britain experienced a charity group known as YouthAction. The YouthAction have 25 different service centers in Great britain. It provided some trip and outdoor job to the young people for assist in improving their life. Many of them are result from deprived backgrounds and they're at the chance of committing criminal offenses. The tasks are recognized by some funders like the local expert.

They have a new project called Dig-it. The young people in this task will take cares the gardens of older people. The local authority seems this project can be success, however they want to acquire the regular data of the task operating before they invests additional money. So that YouthAction need to create a central management information system to track record the necessary data.

In this survey we will use Rich Picture to analysis the YouthAction environment and Use Case Diagram to build up the machine for Dig-it. We will provide the necessity analysis, technical research and environment evaluation of this job.

Section A - Necessity Analysis using Affluent Pictures

A1. Wealthy picture for YouthAction environment

We use the Full Picture to make clear the YouthAction environment.

Figure 1 High Picture

A2. 1 Key celebrities of the environment

Rich picture is mainly used to stand for a structure, functions and issues of the business.

By due to the fact the main reason for the YouthAction is to help vulnerable young people stay away from risk of committing crime. The YouthAction provides many different tasks to the teenagers such as excitement and outdoor activities.

After studied the situation of the YouthAction, I found that the YouthAction contains several parts or tasks. These are Funders, Trust Plank, Executive Committee, HQ (including Financial Management, Marketing and Administrator), Service Centers and young people who are essential to be reinforced or helped. Above will be the key actors to create the charity, YouthAction.

In details, the YouthAction is a charity that is necessary to raise funds by local authority and charitable donations so as to support its procedure. We know that are funders. As the aim of the YouthAction is to aid or help teenagers enhance their life by provided a variety of activities and services such as owning a youth golf clubs, providing classes, and so forth. All the jobs (included activities and services) are mainly handled or coordinated by their service centers located in several places in the southern east of Britain. For each service middle, there a wide range of volunteers who run the projects and 1 service center manager who take care of the operation of the center, the employment of staff and raising cash to support the projects. To control different service centers, there's a regional director. Besides of the service centers, there's a head office which includes different departments such as Financial Management, Marketing, Administrator, provide support to the centers.

Similar to other businesses, an Exec Committee including Chief Executive, Financial Manager, Operation Manager, Marketing Director and Regional Directors is needed to supervise the procedure. To be sure an effective use of financing, the whole procedure of the YouthAction is checked by a person committee Trust Board.

A2. 2 The conflict influencing the environment

Although all the service centers run their services and assignments autonomously, the Trust Mother board and Professional Committee perform a major review of the operation of the centers. Without doubt every place all has their own problems, but views of individuals may not be constant with each treatment. The management and public workers are specifically, widespread disagreement. From the management viewpoint to be accountable to funders, they have the duty to prove that funds well spent. On the other hand, from the social workers point of view, their aim is to support or help teenagers improved their life. Because of this, the management (the Trust Board and Exec Committee) and employees (service centers) must therefore have contradiction or turmoil.

A2. 3 The main concentrate of the environment

In my wealthy picture, it is principally concentrate on 3 major parts. They are really structure, process and matter / issue in the environment.

Structure includes several details and information of the surroundings. To begin with is the hierarchy of the charity. For example, top-down advantages, the charity involves a Trust Table, an Professional Committee, a Head Office including financial management, marketing, administration and other section, 25 service centers sent out in 3 areas. Next is the physical equipment were included in the environment such as computers, offices, and so forth. Furthermore to, the key actors / heroes such as funders, members in the Trust Board and Exec Committee, Regional Professionals, Service stores' professionals, volunteers and focuses on (teenagers) participate in the surroundings are also the important info. Furthermore, in which part does new systems bring in to the environment is also talk about.

Process identifies the workflow in the environment. For instance, volunteers run services and tasks, and something center manager take care of just how of operation in each service middle. Another example is the fact that Head Office mainly provides various support including assign volunteers, expenses management to all service centers. Furthermore, data flows including data entry and access is shown on the picture also. Moreover, participant's role and responsibility issues are also discuss in the picture. For example, service centers are accountable to arrange activities and services as the Executive Committee manages the day to day working of the charity.

Concern concentrate on what are possible issues in the environment, and what exactly are people concern or bias using their company standpoint. For example, Funders concerns on how do their money be utilized, the service centre manger concerns how does data be reused, verified and secured as well as just how of operation and volunteers give attention to do activities help young people and make take interest.

A2. 4 The control of system, data and control rest in the environment

At as soon as, data for managing tasks or details are mainly refined and stored in each service middle and a third party. So that it is not easy to collect the data of whole job. Each service center has its own system for data handling and investment. In addition to the internal system of every service centre, data is required to be moved into into others systems controlled by an authorized because of required by the needs of each individual task such as local authorities, health services or other charities.

Section B - Requirements Research using Use Case Modelling

B1. Use Case diagram of the system

We use the use case diagram to identify the actors involved to the machine.

Figure 2 Use Case Diagram

B1. 1 Primary scenario

The primary scenario is the movement or avenue of the normal case in the machine. Inside the Dig-It system, the aim is to help the elderly take care of their gardens. So that the achievement is make the elderly happy after help them to look after their gardens.

Use case:

Help elderly take care of their gardens.

Scenario:

Primary (typical)

Precondition:

Elderly happy / satisfaction on the service (look after garden)

Flow via a use case:

1. Elderly be referral to the project

2. Assign group functioned in elderly garden

3. Volunteer (innovator) report improvement to regular worker after worked

4. Full time employee made a call to check on if such elderly is happy

5. Response positive (i. e. the elderly happy)

6. Record and end case

Postcondition:

Elderly happy / satisfaction on the service (look after garden)

 

B1. 2 Supplementary Scenario

The secondary circumstance is one or more alternate scenarios, and perhaps exception situations of the case in the machine.

Use case:

Help elderly take care of their gardens.

Scenario:

Secondary (older unhappy)

Precondition:

Elderly happy / satisfaction on the service (take care of garden)

Flow through the use circumstance:

1. Elderly be referral to the project

2. Assign group performed in elderly garden

3. Volunteer (innovator) report progress to full time staff member after worked

4. Regular staff member made a call to check if such elderly is happy

5. Response negative (i. e. the elderly unhappy)

6. Record and end case

Postcondition:

Elderly unhappy / dissatisfaction on the service (take care of garden)

Use case:

Help elderly take care of their gardens.

Scenario:

Secondary (unidentified elderly feeling)

Precondition:

Elderly happy / satisfaction on the service (take care of garden)

Flow through the use circumstance:

1. Elderly be referral to the project

2. Assign group did the trick in elderly garden

3. Volunteer (innovator) report improvement to full time worker after worked

4. Regular staff member made a call to check if such seniors is happy

5. No any Response (i. e. older people didn't acquire call)

6. Duplicate activity 3

Postcondition:

Service effectiveness / achievements is unknown

Use circumstance:

Help elderly look after their gardens.

Scenario:

Secondary (exception)

Precondition:

Elderly happy / satisfaction on the service (look after garden)

 

Flow by using a use circumstance:

1. Elderly be referral to the project

2. Assign group did the trick in elderly garden

3. Elderly had not been at home

4. Volunteer (leader) report the condition to full time worker

5. Regular employee rearrange the worked amount of time in such case

6. Repeat activity 1

Postcondition:

Service performance / achievement is unknown

B2 Conclusion on stars and use cases

Summary on celebrities and use circumstances of the Dig-it System

Actor

Young people

Elderly

Organizations

Full time worker

Volunteers

Use case

help elderly take care of gardens

be recommendation by organization

be managed (group and work) with a volunteer

need help for look after gardens

comment on service (take care of garden by teenagers)

* You can find 2 type of corporation (1 for young and 1 for older)

refer young people to the project

refer older to the project

* represented by teenagers and seniors (source) in the diagram

manage the task achievement

assign duty to volunteers

service analysis (on older)

report project achievement

group and lead young people

take duty

First of most, the definition of Circumstance Modeling is discovering the relationship between users (stars) and system. Such relationship includes what functions or services do the machine provide.

B2. 1 Key celebrities of the system

Considering the Dig-it job, the main reason for the job is to help the elderly look after their gardens on the one palm, on the other to help teenagers to stay from risk of offending. To achieve the goal as above, the project or system includes two major actors. One is older who need help to look after their gardens. Other is teenagers who are seen at risk of offending. Because the people (elderly and young people) taking part in the project must be referral, different organizations that referred teenagers or elderly must be included in the project also. In addition, a leader who is needed to lead and monitoring the work of teenagers, is volunteer. Besides, someone who assesses the effectiveness and success of the job is a full time employee. Therefore, to make such job work properly and achieve the expected results, celebrities include full time worker, volunteers, seniors and teenagers are keys to the machine.

B2. 2 Key activities of the system

Considering the goal of the project, to make sure the elderly satisfaction on the service provides in the Dig-It system, ensure the service quality is very important. The key activities should include groups given to work have received sufficient training including the team attitude and obedience between teenagers and volunteer. Besides, an investigation following the group performed in the elderly is also important because this can help us understand range for improvement.

B2. 3 Alternate uses to produce secondary scenarios

The secondary scenario is a number of alternate scenarios, and perhaps exception situations of the circumstance in the system. Therefore, to recognize such secondary situations, we ought to clarify what is the primary circumstance initially. For the Dig-It system, the success is make elderly happy by help them look after their gardens. On the contrary of this achievements, the elderly miserable or dissatisfaction is one of the alternative uses. In addition, cannot obtain the response and cannot end the work are others alternate uses to produce the secondary situations.

B2. 4 Assumptions about the system

To carry out the Dig-It job, we should have a comprehensive plan to achieve the desired objectives the system. Because the task carry out in south east London and the primary purpose of the job is to help older people look after their gardens, we should first carry out a population survey on possible volume of elderly. As elderly will be referenced from a variety of sources like the local expert or a charity working with older people, such inhabitants information can be asked from the referral sources.

To ensure the right allocation of resources, such society statistics are extremely important. Moreover, we also need some guidelines to allow the smooth procedure of the machine / project. Thus, we need to make some assumptions:

1. Elderly who are referred to the project must be over 65 years old

2. The referral homes with seniors only

3. Family with garden

The above point 1 to 3 is to ensure that the job can certainly help the needy.

4. Volunteers participate in the job must be have social work experience

5. Management is needed

6. Knowledge on basic procedure of equipment is needed

The volunteers have responsibility to lead teenagers work for older, and the teenagers who were referred in the task seem to be at risk of offending. Thus the ability to lead such young people is vital. Moreover, inevitably encounter the task of idiopathic condition, volunteers must have good turmoil management.

Besides the above assumption, there are extensive requirements are guided in the machine:

7. The Dig-It project is managed by 1 regular worker

8. 1 volunteer is needed to lead teenagers as a group

9. three or four 4 young people is grouped to work

10. Work (help elderly take care of garden) carry out each day or afternoon

11. Group only computes a roster (i. e. quit one day or afternoon only)

 

Section C - Critical Research of tools used

Considering that the ability of source allocation where depends upon the financial capability of each organization, differs from different organizations or companies. For example, considering that a tiny company has only 10 employees while an international business has 1000 employees working for its own. If both of these completed the same task at the same time, the resources included employees, equipment and some other holds allocated by themselve are also different. Certainly, the accomplishment and effectiveness of the project does not depend upon the power of learning resource allocation but be based upon the proper allocation of resources.

Therefore, to ensure ideal achievement and efficiency of a job carry out by different group, it is necessary to analyze in the original stage. Such analyses include necessity analysis, technical analysis and environment research.

Requirement analysis is a process to look for the needs and condition of a fresh project as well as the expected success of such task or system. For instance, how many employees are needed in the task? Which types of equipment are needed in the project?

Requirement analysis essentially includes several parts:

Eliciting requirements that are functions to collect certain requirements of a system from users. For example, assume that a developer must setup a file management system to users. The creator got to know that what the system must do for users. Does the system be used at internal only? Does the machine be seen on internet? Which types of document be managed in the machine?

Analyzing requirements that are functions to clarify the details and the movement of a system. For example, who are able to access the machine? Does the machine need authorization to use? How many functions include in the system? Furthermore, the techniques help to learn all possible scenarios in the job.

Recording requirements that are techniques to specific appearance as documentation. For instance, an instance modeling details the use and flow of the system to help control complexity.

Such requirement evaluation is vital to the success of the job because it help developers determine what types of strategy are widely-used.

Technical analysis is an activity to judge securities by causing assumption on the job from data research. By considering a builder needs to set up a file management system again. As the documents and data files may involve important info of the business enterprise, it must not be accessed by other folks (non-business workers). So, it's important to investigate the achievement of the task also.

Environment examination is an activity to look for the buildings, conditions, entities, happenings, and factors adjoining an organization. Utilize the Youth Action as an example. Their responsibility is to proven to funders the use of funds plainly as well as demonstrates the price of keep on specific tasks or activities. Therefore, it is very important to determine the needs and condition of a fresh project (necessity analysis) because it influences all activities and decisions in such business.

All the aforementioned analysis are symbolized by system characteristics, corporation composition, physical environment, duties scenario and connection steps, technological environment, system functions, and so on.

A abundant picture and a case modeling provide useful information graphically. They describe the relationship between systems and users. Moreover, the procedure that turns such information to image, help creators find out conflict tips in the projects or systems. Because of this, such images not only present the problem evidently but also talk to users easily. For instance, by the graphics, users are often to capture what they want and find out if the system meets the requirements.

In detail, by the Full Picture, it helps us to analyst the gratitude of the problem situation. It offers the representation to us for think about the system. And evidently explain the problem to the challenge owner. In this case, the management of YouthAction and we can plainly understand the problem of the business by the wealthy picture. It can help us identify structure, functions and issues. Make certain us will not miss understanding and help us develop the system in the right way and match management need.

Use conditions is use for explain what will the machine do for the professional, step-by-step to describe how can achieve the goal. You won't use any programing dialect and clearly establish the source and productivity of actors. Use case will cover all the cases to spell it out what happen will take place when different situation. It only use sample sentence to explain each step, without the detail regarding customer interfaces and displays. Therefore the end user can readable, focus and understand. In this case, we clearly describe all situation of "Help older look after backyards. " So that the consumer can easy to comprehend what is the result of each situation. Not want waiting for an individual interface design or prototype of the machine. Therefore they can fast reply us could it be match their need.

By considering following a new task "Dig-It", requirement research is essential in the planning / initial status. Specifically, the primary purpose and the expected accomplishment must be placed at first. That is, the task is to help the elderly take care of their backyards on the one hand, on the other to help teenagers to stay from threat of offending. The last mentioned purpose is the aim of YouthAction. As a result, we realize that it needs many people to perform the job as well as much types of equipment for take care of gardens. After placing the goal of the project, it is important to consider the way the charity "YouthAction" can make with the project.

In the environment analysis, we know that YouthAction supports and help young people through a number of funded assignments in southern east of Great britain. Moreover, it includes many employees and volunteers to carry out its tasks. Therefore, it is without doubt that the primary actors take part in the Dig-It project is teenagers. Besides, volunteers who use such young people, act as leaders in the job. Much like other charities, it is accountable to clarify the use of financing and keep an eye on the accomplishment and efficiency of the task, to ensure that such project should be carry on worthy. So, a complete time employee (project administrator) must participate in the job for monitoring and handling the project. To demonstrate the service success and effectiveness, figures and surveys on enjoyment or satisfactory of seniors are very important. So, a full time worker is necessary to carry out such research for record the improvement on such service.

Considering the use circumstance of the "Dig-It" System, after receiving request on aiding the elderly to look after the garden,

Elderly be referral to the project

Assign group did the trick in elderly garden

Volunteer (leader) report progress to regular employee after worked

Full time staff member made a call to check on if such seniors is happy

Get response

Record and end case

After collecting such data stated by point 6, reviews regularly submitted to the executive committee and funders. Finally, the executive committee will review the potency of such service with funder. If the final outcome is usually that the service or job should be keep on, YouthAction can have more funds for supporting the job or system. On the contrary, funders may stop to invest in on the project or system.

The End

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