300 Quiz 06 - queue

One difference between a queue and a stack is

• Queues require linked lists, but stacks do not.

• Stacks require linked lists, but queues do not.

• Queues use two ends of the structure; stacks use only one.

• Stacks use two ends of the structure, queues use only one

What type of ordering does a PriorityQueue have?

• ordered and sorted

• ordered and unsorted

• unordered and unsorted

What type of Queue is a PriorityQueue?

• FIFO

• LIFO

• PIPO

What type is a Queue?

• FIFO

• LIFO

• PIPO

What type is a Stack?

• FIFO

• LIFO

• PIPO

A Queue is a constrained version of a linked list in which nodes can be inserted only at the end of the list and deleted only from the start of the list.

• True

• False

You can't put null elements into Queues in the API?

• True

• False

A slide at the playground is more like a stack than a queue.

• True

• False

A car with one working door is more like a stack than a queue.

• True

• False

A queue is a good data structure for problems that involve backtracking.

• True

• False