Introduction to Software Engineering
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The document discusses the software engineering process from a customer's needs to installation at a user's site. It also covers driving forces for software projects, quality attributes, and other characteristics that influence software projects like scale.
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Lect1
Software is a set of instructions that allows users to manipulate inputs to produce desired outputs. It includes documents like manuals for users. There are two classes of software: generic and customized. Generic software is designed for broad markets with common needs, while customized software is unique for specific customers. Good software has attributes like maintainability, dependability, efficiency and usability. Software does not wear out and is engineered not manufactured. Types of software include system, business, scientific, embedded, and AI software. A software crisis can occur due to lack of communication between developers and users, project management problems, and unrealistic time and cost estimates. Software engineering aims to satisfy customers, deliver on time and budget, and allow for maintenance.
1. Introduction
The document discusses the goals and challenges of software engineering. It notes that the goals of producing software that is correct, with minimal effort and cost, and in the least time are difficult to fully achieve. Large software involves many people and millions of dollars over many years. Real-life examples like Eclipse have over 1.35 million lines of code and cost over $54 million to develop. The document outlines why software engineering is important to avoid costly failures and ensure efficient development. It also discusses myths and the need for different approaches like formal processes for large software.
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Lect1
Software is a set of instructions that allows users to manipulate inputs to produce desired outputs. It includes documents like manuals for users. There are two classes of software: generic and customized. Generic software is designed for broad markets with common needs, while customized software is unique for specific customers. Good software has attributes like maintainability, dependability, efficiency and usability. Software does not wear out and is engineered not manufactured. Types of software include system, business, scientific, embedded, and AI software. A software crisis can occur due to lack of communication between developers and users, project management problems, and unrealistic time and cost estimates. Software engineering aims to satisfy customers, deliver on time and budget, and allow for maintenance.
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Introduction to Software Engineering
- 2. An Illustration HOW THE CUSTOMER EXPLAINED HOW THE PROJECT MANAGER UNDERSTOOD HOW THE ANALYST DESIGNED HOW THE PROGRAMMER CODED WHAT THE CUSTOMER REALLY WANTED WHAT WAS INSTALLED AT USER’S SITE
- 3. Driving forces for a Software Project
- 5. Other Characteristics influencing a Software Project
- 6. Scale