PPT-Chapter 9 – Software Evolution

1 Topics covered Evolution processes Legacy systems Software maintenance 2 Software change Software change is inevitable New requirements emerge when the software is used The business environment changes. Lecture 1. 1. Chapter 16 Software reuse. Topics covered. The reuse landscape . Application . frameworks. Software . product lines . COTS . product reuse. Chapter 16 Software reuse. 2. Software reuse. Lecture 1. 1. Chapter 8 Software testing. Topics covered. Development testing. Test-driven development. Release testing. User testing . 2. Chapter 8 Software testing. Program testing. Testing is intended to show that a program does what it is intended to do and to discover program defects before it is put into use. . Lecture 1. 1. Chapter 2 Software Processes. Topics covered. Software process models. Process activities. Coping with change. The Rational Unified Process. An example of a modern software process. . 2. Computer Software. Chapter 3: Computer Software. 2. Chapter Contents. Section A: Software Basics. Section B: Popular Applications. Section C: Buying Software. Section D: Installing Software and Upgrades. Section 1: The Theory of Evolution by Natural Selection. Darwin Proposed a Mechanism for Evolution. In 1859, the English naturalist Charles Darwin published convincing evidence that species evolve, and he proposed a reasonable mechanism explaining how evolution occurs.. Chapter 3: Computer Software. 2. Chapter Contents. Section A: Software Basics. Section B: Popular Applications. Section C: Buying Software. Section D: Installing Software and Upgrades. Section E: Security Software. Chapter 3: Computer Software. 2. Chapter Contents. Section A: Software Basics. Section B: Popular Applications. Section C: Buying Software. Section D: Installing Software and Upgrades. Section E: Security Software. Section A: Software Basics. Section B: Office Suites. Section C: Installing Software and Upgrades. Section D: Buying Software. Section E: Security Software. Chapter 3: Software. 2. FastPoll True/False Questions. Lecture 1. 1. Chapter 9 Software evolution. Topics covered. Evolution processes. Change processes for software systems . Program evolution dynamics. Understanding software evolution. Software maintenance. Section A: Software Basics. Section B: Office Suites. Section C: Installing Software and Upgrades. Section D: Buying Software. Section E: Security Software. Chapter 3: Software. 2. FastPoll True/False Questions. Chapter Objectives. Explain the role of an operating system and list the main operating systems used on today’s computers. Define and describe a user interface and a graphical user interface. Identify the important features of widely used software applications. . consists of programs designed to make users more productive and/or assist with personal tasks. Discovering Computers 2011: Living in a Digital World Chapter 3. 2. Page 142. Application Software. Discovering Computers 2011: Living in a Digital World Chapter 3. Lecture 1. 1. Chapter 8 Software testing. Topics covered. Development testing. Test-driven development. Release testing. User testing . 2. Chapter 8 Software testing. Program testing. Testing is intended to show that a program does what it is intended to do and to discover program defects before it is put into use. . Chapter 17: Processes of Evolution. Early Beliefs. 19. th. century: discovered species shared many traits, but lived in different parts of the world. Problematic – species only looked similar on the outside, but inside were very different .