Question : Most organizations have and follow a formal system development life cycle. Most organizations follow a problem-solving approach in system development process as in as in below, Generally there are FIVE main phases in the system development life cycle such as: i) system planning ii) system analysis iii) system design iv) system implementation v) system maintenance Q1) Give " case study " as example of these five main phases in the system development life cycle.

AIM: To create a SOFTWARE/SYSTEM REQUIREMENTS SPECIFICATIONS An SRS is basically an organization's understanding (in writing) of a customer or potential client's system requirements and dependencies at a particular point in time (usually) prior to any actual design or development work. It's a two-way insurance policy that assures that both the client and the organization understand the other's requirements from that perspective at a given point in time. The SRS document itself states in precise and explicit language those functions and capabilities a software system (i.e., a software application, an eCommerce Web site, and so on) must provide, as well as states any required constraints by which the system must abide. The SRS also functions as a blueprint for completing a project with as little cost growth as possible. The SRS is often referred to as the "parent" document because all subsequent project management documents, such as design specifications, statements of work, software…

Give an explanation of the three phases of requirement engineering, which are elicitation, specification, and validation. Discuss needs definition in more detail.

Explain the concept of requirement prioritization and its role in the development process. What factors should be considered when prioritizing requirements?