University of California, Irvine

ICS 141

Chapter 3.2 and 3.3 - Check your understanding

1)What is binding time?

2. Explain the distinction between decisions that are bound statically and those that are bound dynamically.
3. What is the advantage of binding things as early as possible? What is the advantage of delaying bindings?
4. Explain the distinction between the lifetime of a name-to-object binding and its visibility.
5. What determines whether an object is allocated statically, on the stack, or in the heap?
6. List the objects and information commonly found in a stack frame.
7. What is a frame pointer? What is it used for?

8. What is a calling sequence?
9. What are internal and external fragmentation?
10. What is garbage collection?
11. What is a dangling reference?
12. What do we mean by the scope of a name-to-object binding?
13. Describe the difference between static and dynamic scoping.

Chapter 3.3 Scope Rules

14. What is elaboration?
15. What is a referencing environment?