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Questions and Answers
Which data structure is essential for the operation of a computer program with subroutines?
Which data structure is essential for the operation of a computer program with subroutines?
- Stack (correct)
- Linked List
- Binary Tree
- Queue
What happens when an item is added to a stack?
What happens when an item is added to a stack?
- It is pushed onto the top of the stack (correct)
- It is popped off the top of the stack
- It is inserted at the bottom of the stack
- It is removed from the middle of the stack
What is the term for a data structure where the last item added is the first item to be removed?
What is the term for a data structure where the last item added is the first item to be removed?
- Last In First Out (LIFO) (correct)
- First In First Out (FIFO)
- Binary Search Tree (BST)
- Random Access Memory (RAM)
What is the consequence of attempting to push an item onto a full stack?
What is the consequence of attempting to push an item onto a full stack?
What is the purpose of a stack pointer in a stack?
What is the purpose of a stack pointer in a stack?
Flashcards
Why stacks are essential?
Why stacks are essential?
A data structure crucial for managing subroutines in computer programs.
What is 'push'?
What is 'push'?
Adding an item to the top of the stack.
What does LIFO stand for?
What does LIFO stand for?
A data structure where the most recently added item is the first to be removed.
What is Stack Overflow?
What is Stack Overflow?
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What does stack pointer do?
What does stack pointer do?
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Study Notes
Stack Data Structure
- A stack is an essential data structure for the operation of a computer program with subroutines.
- When an item is added to a stack, also known as pushing, it is added to the top of the stack.
- A stack is a Last-In-First-Out (LIFO) data structure, meaning the last item added is the first item to be removed.
- Attempting to push an item onto a full stack results in a stack overflow, which can cause program errors or crashes.
- A stack pointer is a register that keeps track of the top of the stack, facilitating the pushing and popping of items.
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