1. About Stack • Short Answer Question: Please provide two example applications of the stack data structure by description. For each description, please provide 30 - 50 words. • There is one program in class which can convert base 10 numbers to base 2 numbers. Write a program that can convert base 10 numbers to base 3 numbers. Example output: 2. About Queue • Short Answer Question: Please provide two example applications of the queue data structure by description. For each description, please provide 30 - 50 words. • Programming Question: According to the drill and practice program in class, write a program to let people practice about inputting the correct answers for mathematical expressions in the form of a * b + c.