2.3.1 stacks and queues

Question 1

QUEUES

Answer 1

Queues is a type of list where data is inserted at one end and retrieved from the other end.

Question 2

FIFO

Answer 2

Queues are known as FIFO data structure, first in first out!

Question 3

STACK

Answer 3

stack is a list which is limited to only allow data to be inserted and retrieved from the same end.

Question 4

LIFO

Answer 4

stacks are known as last in first out!