business app development

Summary

This video explores the key phases of the System Development Life Cycle (SDLC), emphasizing the importance of user involvement in the requirement phase for successful system development. It covers the feasibility study, requirement gathering methods, and the role of auditing in ensuring controls throughout the development process. The video highlights that a failure to meet user needs in the requirement phase can lead to a system's failure, underscoring the need for careful planning, design, development, testing, and post-implementation evaluation.

Takeaways

• 😀 New system development is necessary for various reasons, including adopting new technology, addressing problems with existing systems, or pursuing new business opportunities.
• 😀 The System Development Life Cycle (SDLC) includes several phases: planning, analysis, design, implementation, testing, and maintenance.
• 😀 Auditing plays an important role in system development, ensuring controls are integrated at each phase.
• 😀 The SDLC typically follows a waterfall approach, where each phase is completed before moving to the next.
• 😀 Phase 1 of SDLC, feasibility, includes operational, technical, and economic feasibility studies to evaluate whether the system can be successfully developed and implemented.
• 😀 The most important phase of the SDLC is Phase 2, the requirements phase, where gathering user input is critical for the system’s success.
• 😀 In the requirement phase, user needs are identified through various methods, including interviews, questionnaires, and social media platforms like Facebook and WhatsApp.
• 😀 The key to successful system development is ensuring the system meets the needs and expectations of its users, as they are the ones who will interact with it daily.
• 😀 Users, including employees, customers, and senior management, must have sufficient time to provide their feedback during the requirement phase.
• 😀 Failing to properly execute the requirement phase can result in a system that does not fulfill user needs, leading to its failure.
• 😀 A well-conducted requirement phase ensures that the system will be well-received and adopted by users, improving the overall success of the system development.

Q & A

Why is new system development necessary for businesses?

New system development may be required to take advantage of new technologies, solve existing system issues, or explore new business approaches. This is especially important to stay competitive and address evolving business needs.

What is the System Development Life Cycle (SDLC)?

The SDLC is a structured approach to software development, which involves phases such as planning, analysis, design, implementation, testing, and maintenance. These phases guide the development process to ensure a system meets business needs.

What approach is commonly used in system development, and how does it work?

The **waterfall approach** is commonly used in system development. It is a sequential model where each phase is completed before moving to the next, starting from planning and going through to maintenance.

Why is the requirement phase considered the most important in SDLC?

The requirement phase is critical because if the needs of the users are not accurately understood and met, the entire system development could fail. It is essential to gather comprehensive user input to ensure the system addresses their needs.

What are the key types of feasibility studies conducted in the initial phase of SDLC?

The key feasibility studies conducted are **operational feasibility**, which assesses if the system can operate within the existing organization; **technical feasibility**, which checks if the necessary expertise is available; and **economic feasibility**, which evaluates whether the system will provide economic benefits.

What does operational feasibility refer to in the SDLC?

Operational feasibility refers to the ability of the organization to operate and maintain the system using existing infrastructure, including hardware and software, within the organization.

What is the role of technical feasibility in system development?

Technical feasibility assesses whether the organization has the necessary expertise and technical resources to both develop and maintain the system successfully.

What is the purpose of the requirement phase in system development?

The requirement phase focuses on gathering input from users to understand what they need from the system. This ensures the system is developed with features, capabilities, and modules that will be useful to those who will use it regularly.

How can user feedback be gathered during the requirement phase?

User feedback can be gathered through methods such as interviews with key stakeholders, distributing questionnaires, or using social media platforms like Facebook, WhatsApp, and other communication tools to engage with users.

What happens if the requirement phase is not done properly?

If the requirement phase is not executed properly, the system might fail to meet user needs, leading to dissatisfaction. This could result in the system being abandoned or retired early, regardless of its technical quality.