Suppose we begin with an empty stack, and perform the following operations: push 7, push 2, push 9, push 6, pop, pop, peek, push 1, push 3, peek, push 8, pop, peek, pop, pop, push 5, push 4, pop, pop, pop, push 8. What is contained on the stack when we are done? Write out the contents from top to bottom.

Which of the following is NOT true about getting started with Google+?

A) Like other social networks, Google+ is free to use. B) Google+ offers many of the same features and functions as other social networks, but with a unique spin. C) Google+ includes rings; a collection of Google+ friends who share some characteristic organized into a single group. D) Google+ integrates quite nicely with the rest of Google, much more so than do competing social networks.

How can level of detail (LOD) control be useful in reducing download times?

What will be an ideal response?