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Chapter Summary

Stack

Assam Board · Class 12 · Computer Science

Summary of Stack for Assam Board Class 12 Computer Science. Key concepts, important points, and chapter overview.

105 questions68 flashcards5 concepts

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An infographic illustrating various data structures like String, List, Set, Tuple, Array, Linked List, Binary Trees, Heaps, Graph, Sparse Matrix, and highlighting linear vs. non-linear structures.
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Overview

Stack is a linear data structure in which elements are added and removed from one end only, called TOP. It follows the LIFO principle, meaning the last element inserted is the first one removed. Python implements a stack conveniently using the list data type with append() and pop(). Stack is useful

Key Concepts

A stack is a linear data

A stack is a linear data structure in which insertion and deletion happen from one end only, called TOP. The most recent element is removed first.

LIFO means Last

LIFO means Last-In-First-Out. The element inserted last is the first one to be removed.

TOP is the end from

TOP is the end from which elements are added or deleted. In Python list-based implementation, this is the rightmost end.

PUSH is the insertion operation on

PUSH is the insertion operation on a stack, and POP is the deletion operation. PUSH adds an element at TOP, while POP removes the topmost element.

Overflow occurs when an element

Overflow occurs when an element is added to a full stack. Underflow occurs when an element is removed from an empty stack.

Learning Objectives

  • Define stack as a linear data structure and identify the TOP
  • Explain the LIFO principle clearly
  • Describe PUSH and POP operations and their exceptions
  • Understand stack implementation in Python using list, append(), and pop()
  • Use stack-related functions such as isEmpty, size, top, opPush, opPop, and display

Frequently Asked Questions

What are the important topics in Stack for Assam Board Class 12 Computer Science?
Stack covers several key topics that are frequently asked in Assam Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Stack — Assam Board Class 12 Computer Science?
Understand the core concepts first, then work through the 105 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Stack

All 13 chapters — Assam Board Class 12 Computer Science Chapter Summary

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