1. We may apply portability to Web pages. Discuss what it means for a Web page to be portable. 2. Discuss the relationship between evolvability and open systems. 3. Critically evaluate the number of lines of code as a productivity measure. (This issue will 'be analyzed in depth in Chapter 8.) 4. In this chapter, we have discussed the software qualities that we consider to be the most important. Some other qualities are testability, integrity, ease of use, ease of operation, and learnability. Define each of these—and possibly other—qualities, give examples, and discuss the relationships between the qualities you have defined and the qualities we have discussed in the chapter.