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Stack

Himachal Pradesh Board · Class 12 · Computer Science

Practice quiz for Stack — Himachal Pradesh Board Class 12 Computer Science. MCQs and questions with answers to test your preparation.

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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Quick Quiz: Stack

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1

What principle does a stack follow?

2

Which operation is used to add an element to a stack?

3

What happens when you try to POP from an empty stack?

4

In Python, which list method is used to implement PUSH operation?

30 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which of the following are real-life examples of stack?

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Pile of books, Stack of plates, Bangles on wrist

Pile of books, stack of plates, and bangles on wrist follow LIFO principle - you add/remove from the top. Queue at movie theater follows FIFO, and traffic signal is not a stack example.

2multiple choice

Which expression notation places operators between operands?

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Infix

Infix notation places operators between operands (like x + y). Prefix places operators before operands, and postfix places operators after operands.

3multiple choice

What is the postfix notation for the infix expression 'A + B'?

Show answer

A B +

In postfix notation, operators come after their operands. So 'A + B' becomes 'A B +' where both operands A and B are followed by the operator +.

4multiple correct

Which of the following are applications of stack in programming?

Show answer

Undo/Redo operations, Browser back button, Reversing a string

Stack is used in undo/redo operations, browser back button functionality, and string reversal because they all follow LIFO principle. Sorting and finding maximum don't typically use stack data structure.

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Frequently Asked Questions

What are the important topics in Stack for Himachal Pradesh Board Class 12 Computer Science?
Stack covers several key topics that are frequently asked in Himachal Pradesh 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 — Himachal Pradesh Board Class 12 Computer Science?
Understand the core concepts first, then work through the 30 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.

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