a file used to store the names of the students .If a stack concept is used to insert or remove names from file

Question

a file used to store the names of the students . If a stack concept is used to insert or remove the names from the file show how the following names will be inserted or removed in the sequence as follows ;
push Rose
Push Melinda
Pop
Push jerry
Push Danny
pop

Answer 1

For a Stack, "push" places an object at the top of the stack, and "pop" removes the top object. The file's contents after each of those operations:

push Rose (Rose)
Push Melinda (Melinda / Rose)
Pop (Rose)
Push jerry (Jerry / Rose)
Push Danny (Danny / Jerry / Rose)
pop (Jerry / Rose)

Answer 2

A stack is a LIFO (Last In First Out) list, so its easy to work out ~:)