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Data Structures: Array-based Stacks

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Questions and Answers

What is the fundamental property of a stack data structure?

Random Access
First In, First Out
Last In, First Out (correct)
Priority-based Access

What is the primary limitation of an array-based stack implementation?

It is prone to memory leaks
The size of the stack must be determined at declaration (correct)
It is not thread-safe
It is not efficient for large datasets

What is the purpose of the MakeEmpty() function in the StackType class?

To resize the stack dynamically
To check if the stack is empty
To remove all items from the stack (correct)
To initialize the stack with a default value

What is the time complexity of the constructor in the StackType class?

O(1) (C) Signup and view all the answers

What is the purpose of the IsFull() function in the StackType class?

To check if the stack is full (B) Signup and view all the answers

What is the condition for the stack to be considered empty according to the IsEmpty() function?

top == -1 (A) Signup and view all the answers

What is the postcondition of the Push operation in a Stack?

newItem is at the top of the stack. (B) Signup and view all the answers

What is the purpose of the Pop operation in a Stack?

Removes top element from stack and returns it in item. (B) Signup and view all the answers

What is the time complexity of the Push operation in an Array-based Stack?

O(1) (D) Signup and view all the answers

What is a potential error that can occur when trying to push an element onto a full stack?

Stack overflow (C) Signup and view all the answers

Why must the compiler know the data type of the stack when compiling templates?

To ensure the correct data type is used. (A) Signup and view all the answers

How can the compiler find the necessary information to compile templates?

By compiling the template and client code together. (C) Signup and view all the answers