ISYS254 Applications Modelling And Development Assignment Answers Australia

ISYS254 Applications Modelling And Development unit is designed to provide students with an opportunity to develop a comprehensive understanding of the major data processing applications and their supporting infrastructures. The unit covers both current and emerging technologies and includes a significant practical component. In this unit, students will learn how to model, design, develop, test, and deploy data processing applications. On successful completion of this unit, students will be able to apply a range of software development methodologies to the development of data processing applications.

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In this section, we are discussing some assignment tasks. These are:

Assignment Task 1: Demonstrate ability to communicate software requirements and designs, clearly and effectively.

Applications Modelling And Development is the process of designing, creating, testing, and maintaining software applications. It involves the use of modelling techniques to design the structure and behaviour of an application, as well as the development of code to create the application. Good communication is essential in order to effectively convey the requirements and designs of an application to those who will be involved in its development. This includes clearly specifying the purpose and functionality of the application, as well as outlining any constraints or limitations on its development. In addition, it is important to be able to effectively communicate with developers during the coding process, in order to ensure that the final product meets the original specifications. Good communication skills are therefore essential for anyone involved in Applications Modelling And Development.

Assignment Task 2: Practice the key phases of the software development life cycle (SDLC) including requirements engineering, analysis, design, basic development and testing and demonstrate an understanding of alternative SDLC lifecycle models.

The software development life cycle (SDLC) is the process that software developers use to create and maintain software applications. It typically consists of six phases: requirements gathering, analysis, design, coding, testing, and maintenance. In each of these phases, developers perform different tasks in order to create a working software application.

1. Requirements gathering is the first phase of the SDLC and involves understanding the needs of the user or client and translating them into specific requirements for the application. This includes identifying any functional or non-functional requirements that must be met by the final product.
2. Analysis is the second phase of the SDLC and involves investigating the problem to be solved by the proposed software application. This includes examining existing system processes and determining how they can be improved by the new software. In addition, any potential risks or challenges associated with the development of the software must be identified and addressed at this stage.
3. Design is the third phase of the SDLC, and involves creating a detailed plan for the construction of the software application. This includes specifying how the various components of the application will work together to achieve the desired results. In addition, design patterns or architectures may be used at this stage to provide a structure for the code that will be written in the next phase.
4. Coding is the fourth phase of the SDLC and involves writing the actual code that will make up the software application. This code must be written in accordance with the design created in the previous phase and must meet all of the requirements specified for the application.
5. Testing is the fifth phase of the SDLC and involves verifying that the software application meets all of the functional and non-functional requirements specified for it. This includes testing for bugs or errors and ensuring that the application is usable and user-friendly.
6. Maintenance is the final phase of the SDLC and involves making changes or additions to the software application as required. This may be in response to changes in user requirements, or to fix any bugs or errors that are discovered after the initial release of the software. Maintenance may also be required in order to keep the software up-to-date with new technologies or changes in industry standards.

These are the six key phases of the software development life cycle. However, there are also several other lifecycle models that can be used, such as the waterfall model or the agile model.

• A waterfall model is a linear approach to software development that begins with gathering requirements and ends with maintenance. This model is often used for small projects where all of the requirements can be determined upfront and where there is little chance of change during the course of development.
• The agile model is a more flexible approach to software development that allows for changes to be made during the course of development. This model is often used for larger projects where it is not possible to determine all of the requirements upfront. The agile model is based on short development cycles, called sprints, where a working software application is delivered at the end of each sprint.

Both the waterfall model and the agile model have their own advantages and disadvantages, and there is no one-size-fits-all approach to software development. The most important thing is to select the model that best suits the needs of the project at hand.

Assignment Task3: Demonstrate an understanding of the concepts and tools needed to successfully design and build a mobile application with a database-centric approach.

There are many different concepts and tools that can be used when designing and building a mobile application with a database-centric approach. Some of the most important concepts to consider include data modeling, Normalization, relational databases, and SQL.

• Data modeling is the process of designing a data structure that can be used to store data in a database. This data structure must be able to efficiently store all of the required data, and it must be easy to query and update. A good data model will make it easier to develop the overall structure of the database and will make it more efficient to query and update data.
• Normalization is the process of organizing data into tables so that each table contains only one type of information. This helps to reduce redundancy and improve the efficiency of queries. Normalization also helps to ensure that data is consistent across all tables in the database.
• Relational databases are a type of database that store data in tables. Tables are linked together by relationships, and data can be queried from any table in the database. Relational databases are very powerful and can be used to store large amounts of data.
• SQL is a standard query language that can be used to query data from a relational database. SQL statements can be used to select, insert, update, or delete data from a database. SQL is a powerful tool that can be used to perform complex queries on large databases.

These are just a few of the concepts and tools that are needed to successfully design and build a mobile application with a database-centric approach. There are many other concepts and tools that can be used, and the best approach will vary depending on the specific needs of the project. However, all projects will need to consider data modeling, Normalization, relational databases, and SQL.

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