1. What does the phrase “garbage in, garbage out” mean? 2. Give a general description of the input validation process. 3. What is the purpose of the priming read? 4. In this chapter you saw how a...

1. What does the phrase “garbage in, garbage out” mean?

2. Give a general description of the input validation process.

3. What is the purpose of the priming read?

4. In this chapter you saw how a posttest loop can be used in input validation, as an alternative to the priming read followed by a pretest loop. Why is it typically not best to use a posttest loop approach?