Question

LIFO is ______ where as FIFO is ________

(a) Stack, Queue

(b) Queue, Stack

(c) Priority Queue, Stack

(d) Stack. Priority Queue

I had been asked this question in an international level competition.

My query is from Uninformed Search and Exploration in section Problem Solving of Artificial Intelligence

Answer 1

Right choice is (a) Stack, Queue

The best I can explain: LIFO is last in first out – Stack. FIFO is first in first out – Queue.