Ict700 Odd Jobs Limited System Assessment Answer

Answer:

Introduction to Adaptive methodologies 

The odd jobs limited is a Sydney based business and mainly offers services to their customers by providing the staffs casual labour and vehicles to some businesses, the staffs offered  are highly skilled on the tasks hired for and is paid hourly.

Colin grey has been doing the planning and management of the business which is currently having a total of 100 employees and currently the business will be expanding to various centers and the main role being the staffs, customer’s relationship system and invoicing system management.

Currently there are two types of employees who include the office staffs and the contracting staffs where the contracting staffs do the jobs and update their details and the amount of job done to the office through the phone calls and emails which tend to take too long.

The management lead by Tom Smith had decided to come up with a mobile application system that will be used by the contracting staffs to update the details of the jobs that they had completed and also to complete the customer’s invoices stating the hours taken and the number of the vehicle used and thus Tom Smith will be able to see the jobs as they get completed easily, however Gary Tallent will also be able to generate the report each month indicating the jobs done and the income gained from each vehicle.

The development of the proposed mobile application system require to be done using the system development life cycle method to ensure the system is developed well where all the requirements are all meet and implemented.

The adaptive methodology is the proposed development methodology to be used by the development of the proposed mobile application.

Adaptive methodology

Discussion

The adaptive software development is a process of software development that evolved from the rapid application development process and it involves adaptations in a continuous form with the normal states of affair.

The adaptive development cycle replaced the waterfall process and it uses three repeated processes which includes speculate, collaborate and learn cycles as discussed below.

  1. Speculate: it is the planning process where the project gets initiated and the conduction of the adaptive cycle planning is done.
  2. Collaboration: This is the process of balancing the efforts which are based on the parts of the system environment that are predictable and can have some changes as a result of new technology, requirements, stakeholders or the software vendor.
  • Learning: This involves giving the challenge to the system stakeholders through the interaction with the system designs building and also testing processes and therefore the development team learn the mistakes and correct them and also make the stake holders have great experience with the system developed.

The adaptive software development has various characteristics that eventually make it more preferable compared to other development processes which includes the following:

  1. Missions focused.
  2. Features based.
  • Iterative nature.
  1. Time-boxed.
  2. Risks driven.
  3. Changes tolerant.

The adaptive software development process is mainly used in the following areas:

  1. When the system is required to be developed fast.
  2. When the system require being interactive with the stakeholders.

Advantages

  1. It is able to produce a high quality system product. This is because the system gets tested regularly in the course of the development process to ensure effective functionality of the entire system.
  2. It offers high customers satisfactions. This is because the owners of the system developed get involved in the entire development process and thus they are able to follow the development process.
  • It has increased project’s controls. This involves the sprints meeting, transparency and the their usage for the project development steps.
  1. It has reduced risk. This is good aspect as it is able to do the elimination of the failures of the project.
  2. It offers faster ROI. The system is developed in an iterative means and therefore the features tend to be delivered in an incremental way.

Disadvantages

  1. It is less predictable .This is because the developers are unable to quantify the efforts needed to deliver software.
  2. It requires more time and commitments.
  • It has great demand on the development team and the clients.

  1. There is no system documentation.
  2. The project can fall on the development track.

Scrum methodology

Discussion

The scrum development methodology is one of the agile frameworks that emphasis on the software development processes where it requires a development team of 3 to 9 members who breaks the work in actions that can be completed within time-boxed iterations which are referred to as sprints and keep track of the progress in the re-planning meetings called scrums.

This methodology is mainly used in the following areas:

  1. While developing a system which is hard to state its business requirements.
  2. While developing a small project.
  • While there is a small development team members.
  1. While the system requires to be developed within a short period.

Advantages

  1. It is used in enabling the development of projects which are hard to quantify their business requirements.
  2. It’s a used to code and test the fast moving and the cut edges developments.
  • It is lightly controlled and requires frequent updating of the progress.
  1. It is interactive in nature.
  2. It easily copes with changes due to short sprints and feedback which is constant.
  3. It is easy to measure individual productivity as a result of daily meetings.
  • It is easy to identify and resolve issues quickly due to the daily meetings.
  • It makes it easy to deliver a quality system within set time frame.
  1. It is usually used in web applications and media projects that require moving fast.
  2. The process has minimal overhead costs in the processes and managements and thus leading to quick and cheap results(Wixom, 2016).

Disadvantages

  1. The methodology may cause creeping of  the development scopes due to lack of definite date since the system owners may demand new requirements in the cause of system development.
  2. Inaccuracy in the project cost and time due to poor definition of the tasks.
  • Failure of the system development due to lack of committed team members.
  1. It is only appropriate for the small and fast moving project since it has small team members.
  2. The methodology only requires team members who have experience.
  3. The system development has huge inverse effect when some team members leave.

Extreme programming (XP) methodology

Discussion

The extreme programming is a type of agile development that aims in the production of high quality software and high life quality for developer’s team.

The figure below shows the various processes that are followed in the XP development methodology

(Singh, 2016). 

The extreme programming methodology is used in the following areas:

  1. While the system requirements are changing dynamically.
  2. While there is a small development team.
  • Where the technology used allows automatic testing of units and functions.

Advantages

  1. It allows time and cost saving by the developers.
  2. There is reduction of risks that is related to programming or failure of the project.
  • The methodology uses simplicity.
  1. The entire process is highly visible and is accountable.
  2. There is feedback that is constant.
  3. There is efficient detection of bugs in the entire development stages.
  • It increases the employee’s satisfactions and retentions.
  • It is able to facilitate teamwork in the system development process. 

Disadvantages

  1. This is a difficult methodology and it becomes hard to convince the developers to use this methodology.
  2. There are very many factors relied on in system development.
  • The methodology is code centric instead of design centric.

Recommendation

In the development of the proposed application system I recommend use of the extreme programming methodology since it will enable the time and cost saving, there will be little risk involved, there is visibility in the process and the employees will be satisfied which will result in better service delivery in the company. 

Memo 

MEMORANDUM

To: The OJL management

From: Developers Team

Date: 2/10/2018

Subject: Mobile Application Development

Description of requirements gathering

The system requirements gathering is a vital process in the system development which involves a process of generating the list of system requirements which includes the functional, system, and technical requirements and these requirements are obtained from the system stakeholders who includes the customers, system users, the vendors and the IT staffs and all will be used as the formal types of requirements.  

In the requirements gathering there are various means of getting the system requirements from the stakeholders and this entails the things that the users and stakeholders wants the system to behave or do, however the main challenge is that most of the stake holders has no specific requirements and therefore there are various means of gathering several requirements from various stake holders, analyse them and them do the implementation.

Below are the various techniques to be used in the gathering of the system requirements.

  1. Conducting Interviews.

The interview conducted requires covering all the system stakeholders in order to ensure all requirements gathered will cover all the system functions.

  1. Use of questionnaires.

In the requirements gathering the interview method limits the stakeholders to giving the possible information that they are aware of, however the questionnaires are then used in order to use some probing questions and the questions used are set to cover the area which the stakeholder is not aware of its importance.

The questionnaires are either open ended questions which the respondent has freedom to give his own views, or can be close ended where the respondent is required to mark the choice provided.  

  • The user’s observations.

This is another way of identifying the features required in the system where one can determine the additional features that can be added in the existing system for better functionality.The requirements written are used in the re-inventing of the processes instead of automating them.

  1. Through the workshops.

This is a method that is used in the reconciliation process of the system requirements where the opinions that are divergent and have contrast are reconciled to ensure the proposed system is able to meet all the system requirements of the system users.

  1. The brainstorming.

This is an activity that is carried out in the workshop where the different system parts are considered where the current and the future state is analysed and in this case the whiteboards and mind –mappings software are used.

  1. Roles playing.

This is a requirement gathering method where the requirements are much dependant on the types of users and the formal role playing is used to determine how the various system sections will be functioning as an integrated system.

  • Use case and scenario.

This is used when the high level functional requirement is defined and thus they are used in the validation of the system functionalities in various instances.

  • Through prototyping.

This is used to select the items that the users don’t want in the system and therefore the development team can present a developed prototype to the users and they select the unwanted functionalities which are then eliminated while other proposed requirements are added.

Plan for requirements gathering OJL

The gathering of the system requirement requires to be planned in order to ensure that the entire process is done successfully without skipping any step. Below is the system requirements gathering plan.

Task

Description

Selecting the respondents/stakeholders

This is process where respondents are identified and they are part of the stakeholders

Selecting the tool

This is where the tool to be use in the data collection is selected and it will be the questionnaire.

Preparing the questionnaire

This is where the questions are written to be used in the questionnaire to be subjected to respondents.

Subjecting questionnaire to respondents

This is the stage where the questionnaire is given to the respondents to fill in the questions for analysis.

Collecting the questionnaire

This is the stage where the filled in questionnaires are collected for analysis.

Recording the response data

This is the stage where the data is recorded in the analysis tool for further operations.  

Cleaning the data

This is the stage where the data captured is cleaned to remove any form of anomalies.

Analysing the data

This is the stage where the cleaned data is analysed to get the specific system requirements.

Identifying the final system requirements

This is where the requirements are identified ready for implementation.

Discussion for OJL

After gathering and analysis of the system requirements below are some of the requirements that require to be implemented in the proposed mobile applications.

  1. The application should allow the users to register to create an account.
  2. The application should allow the users to login top access the system.
  • The application should allow the customers to send requests for services.
  1. The office staffs should be able to assign the contractor the customers to attend.
  2. The contractor staffs should be able to update the completed tasks, hours taken and the vehicle used.
  3. The management team should be able to view the daily completed tasks and the profit made.
  • The management should be able to generate a report of the monthly completed tasks by each vehicle and the profit made.
  • The office staffs should be able to update any new vehicle on the system.

Recommendation 

In this company they are currently using the manual process of recording and doing transactions which is tedious, takes more time and inhibits proper records management.

Therefore I recommend the implementation of the proposed system since it will improve the service delivery, good customer relation, easy record keeping, enhance good daily profit analysis and also enable generation of monthly report of the vehicles and the profit made by each. 

Yours faithfully, 

Team leader.

Part B 

Event Table 

Event

Event Type

Trigger

Source

Activity/Use Case

System Response/

Output

Destination

Record customers

Temp

Want to record new customer

customer

Recording new staffs

customers  saved in system database

Database

Record vehicles

Temp

Want to record new vehicle

Office staffs

Recording new vehicles

Vehicle  details saved  in system database

Database

Record vehicle movements

Temp

Want to record vehicle movements

Office staffs

Recording vehicle movements

Vehicle movement details saved  in system  database

Database

Record job details

Temp

Want to record new job

customer

Recording new jobs

New job details in the system database

Database

Update complete job details

Temp

Want to update completed job

Contractor staffs

Updating completed jobs

Saving details in system

Database

Run job report

Ext

Want to run jobs monthly reports

Tom Smith

Running jobs monthly reports

The job report displayed.

Tom smith

 (Laplante, 2013).

Use Case Description (intermediate)

Use case Name:

Create job

Scenario:

Create a new customer’s job

Triggering Event:

Customer need to submit some work to be done

Brief Descriptions:

The customer visits the offices , then the staffs offices opens the system and enter his details and the details of the job to be done in the information system

Actors:

Customer, office staff.

Related use case:

Updating completed jobs

Stakeholders:

Office Staff: To record the customer and job details

Customer: To provide the customers and job details to the staffs.

Pre-conditions:

Customer has some job to be done

Post conditions:

Customer’s job is done and updated in the system by contracting staffs.

(Award, 2013).

Reference

Award,E.(2013) Systems Analysis and Design .3rd edn.Delhi:Galgotia Publications Pvt Ltd.

Gupta,B.(2015) Power System Analysis and Design.1st edn.New Delhi: S Chand & Company.

Goyal, A. (2011) systems Analysis and Design Paperback .2nd edn.INDIA:Prentice Hall India Learning Private Limited.

Karumanchi,N.(2012) Peeling Design Patterns: For Beginners and Interviews.5th edn.New York:CareerMonk Publications.

Laplante,P.(2013) Real-Time Systems Design and Analysis: Tools for the Practitioner.2nd edn.New Jersey:Wiley.

Singh,B.(2016) Systems Analysis and Design.4th edn.Delhi:New Age International Private Limited.

Wixom,D.(2016) Systems Analysis and Design.2nd edn. New Jersey: Wiley publishers.

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