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Syllabus

Stack

CBSE · Class 12 · Computer Science

Complete topic list for Stack in CBSE Class 12 Computer Science. Key concepts, sub-topics, and what to focus on for board exams.

30 questions25 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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4 Topics · CBSE Class 12 Computer Science

Topics in Stack

1

Introduction to Stack

  • Stack is a linear data structure with LIFO (Last-In-First-Out) principle
  • Elements are added and removed from the same end called 'TOP'
  • Real-life examples: pile of plates, stack of books, bangles on wrist
2

Stack Operations

  • PUSH operation: Adds element to the top of stack
  • POP operation: Removes and returns top element from stack
  • isEmpty(): Checks if stack is empty
3

Implementation of Stack in Python

  • Python lists can be used to implement stacks efficiently
  • append() method adds elements to the right end (top of stack)
  • pop() method removes elements from the right end (top of stack)
4

Expression Notations

  • Infix notation: operators between operands (x + y)
  • Prefix notation: operators before operands (+xy)
  • Postfix notation: operators after operands (xy+)

Key Concepts

A linear data structure where elementsLastInsertion operation that adds a newDeletion operation that removes the topmostDifferent ways to write arithmetic expressions

Frequently Asked Questions

What are the important topics in Stack for CBSE Class 12 Computer Science?
Stack covers several key topics that are frequently asked in CBSE 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 — CBSE Class 12 Computer Science?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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 — CBSE Class 12 Computer Science Syllabus

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