Data Structures

Which of these is not a data structure?

• Stack

• Array

• Integer

• List

Which of these are operations of a stack?

• Push

• Add

• Remove

• Pop

A stack is last in, "what" out?

A queue is what?

• Last in, first out

• First in, first out

• First in, last out

• Last in, last out

A tree is composed of ____ connected by edges or lines.

• Fruit 
• Leaf Node
• Root Node
• Nodes

A Kind of tree where every node in a tree can have at most two children.

• Binary Tree
• Binary Expression Tree
• Tree
• Binary Search Tree

What is the value of the ROOT node in this Tree?

• 35

• 24

• 42

• 20

In this tree, where would the new value "7" be placed?

• On the left branch of "4"

• On the right branch of "6"

• On the left branch of "15"

• Over the top of the current number "5"

What is returned by values[5]?

• 9

• 12

• 6

• 8

int nums[ ] =
{2, 3, 5, 8, 9, 11};
How would you access the fourth element in nums

• nums[4]
• nums[3]
• nums(4)
• nums(3)