Posts

-
Image
  Introduction to Software Engineering Software engineering is all about building quality software that meets people’s needs efficiently. Software plays two big roles today: As a product – it performs tasks like calculations, communication, or media handling. As a vehicle – it controls systems like operating systems, networks, or tools. Nature of Software Software is everywhere — from your phone to airplanes. Over time, it has grown more complex due to faster hardware, bigger memory, and smarter devices. But the same big questions remain: Why does software take so long to build? Why is it so expensive? Why can’t we fix all errors early? Why is maintenance so hard? Why is progress tough to measure? Types of Software Applications There are seven main categories of software: System Software – runs other programs (like compilers, editors). Application Software – solves specific tasks (e.g., billing systems). Engineering/Scientific Softwa...
Post a Comment
Read more

Unit II – Software Process & Requirements Modeling

-
Image
Unit II – Software Process & Requirements Modeling   Agility Principles (12 Principles of Agile) The Agile Alliance defines 12 principles for achieving agility: Customer Satisfaction → Deliver valuable software early & continuously. Welcome Change → Even late in development. Frequent Delivery → Weeks, not years. Business + Developers Together → Daily collaboration. Motivated Individuals → Support, trust, empower them. Face-to-Face Conversation → Best way to share ideas. Working Software → Primary measure of progress. Sustainable Development → Maintain a constant pace. Technical Excellence → Continuous focus on quality. Simplicity → Do only what’s essential. Self-Organizing Teams → Best designs emerge naturally. Reflection & Improvement → Regularly tune and adapt.   The Politics of Agile Development There’s a heated debate between: Traditionalists → Focus on documentation first , then software. Agilist...
Post a Comment
Read more