Question

At the top level of a tree is a single node called the ________ a)pinnacle b) root c) top d)front

49)In the program stack, the record at the top of the stack belongs ti the method

A. That called the method tahg is currently executing

B. None of the other answers

C. That is scheduled to execute next

D. That is currently executing

Answer 1

b)root.

C. That is scheduled to execute next.

Step-by-step explanation:

The tree starts spreading from a node that is the root node which is ancestor to all the nodes.All the nodes are it's descendants.All nodes are connected to the root node either directly or indirectly and it resides at the topmost level of the tree.

The record at the top of the stack contains the record of the method which is scheduled to execute next.