Your assignment most have introduction, recommendation and conclusion 1. (a) What is Software Development Life Cycle (SDLC)? (b) With a suitable diagram, explain the different phases involved in waterfall life cycle (c) What is Software Engineering? (d) Enumerate five of the challenges of the software crisis era 2. (a) What is feasibility study? What are the contents we should contain in the feasibility report? (b) What are the purposes of Data Flow diagrams, Give an example. 3. (a) What is the difference between SRS document and design document? What are the contents we should contain in the SRS document and design document. (b) List and explain different types of testing done during the testing phase. 4. (a) What is user acceptance testing? Explain different testing in user acceptance testing. Why is it necessary? (b) What are functional and non-functional requirements? 5. (a) Explain the steps involved in the prototyping. (b) What is a class and object? Give the diagrams and representation of class and object (c) Enumerate the reasons for the Failure of Waterfall Model. 6. (a) Define Software Reliability (b) What are the factors of Software Quality? (c) What is Modularity?

1. (a) Software Development Life Cycle (SDLC) refers to the process of developing software from conception to deployment. It is a systematic approach that consists of various phases and activities to ensure the successful creation of software that meets the desired requirements and standards.

(b) The waterfall life cycle is a sequential model that follows a linear and sequential approach for software development. It consists of the following phases:

1. Requirements Analysis: In this phase, the requirements of the software are gathered and analyzed to understand the goals and expectations of the project.

2. System Design: Once the requirements are analyzed, the system design phase involves creating architectural and high-level design specifications. This phase also includes defining the overall structure of the software system.

3. Implementation: In this phase, the software is developed using the design specifications. The coding and programming tasks are carried out to build the software based on the defined requirements and design.

4. Testing: After the implementation phase, the software is subjected to various testing activities to identify and fix any bugs or errors. This phase ensures the quality and reliability of the software.

5. Deployment: Once the software has been successfully tested and approved, it is deployed to the end-users or clients for usage.

6. Maintenance: The maintenance phase involves addressing issues, bug fixes, and updates after the software has been deployed. It ensures the smooth operation of the software over its lifecycle.

(c) Software Engineering is a discipline that involves applying engineering principles and practices to the development and maintenance of software systems. It focuses on methods, techniques, and tools to manage the complexity of software projects, improve software quality, and ensure the successful delivery of software products.

(d) The software crisis era refers to a period in the history of software development when the demand for software exceeded the available resources, resulting in various challenges and problems. Some of the challenges during this era include:

1. Lack of standardization: There was a lack of standardized processes and methodologies for software development, leading to inconsistency and poor quality.

2. High development costs: The cost of developing software was high due to the inefficiencies in the development process and the lack of reuse of software components.

3. Limited software reliability: The software developed during this era often had reliability issues, such as frequent crashes or failures, leading to dissatisfaction among users.

4. Inadequate project management: The project management practices during this era were often inadequate, resulting in delays, cost overruns, and poor coordination among team members.

5. Rapidly changing technology: The technology landscape was evolving quickly, making it challenging for software developers to keep up with the latest advancements and incorporate them into their projects.

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