Trailer nodes at the end of the list should contain a value ____.
A) smaller than the largest value in the data set
B) larger than the largest value in the data set
C) smaller than the smallest value in the data set
D) the same size as the smallest value in the data set

Question

Quizplus · Accepted Answer

Trailer nodes are often used as sentinel nodes to simplify boundary conditions in algorithms, such as in sorting or searching. By having a value larger than the largest value in the data set, they ensure that any search for a value not in the list will correctly terminate at the trailer, rather than requiring special cases to handle the end of the list.

Trailer Nodes at the End of the List Should Contain