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🇬🇧 English Medium Active 🇮🇳 മലയാളം മീഡിയം
Directorate of Higher Secondary Education (DHSE Kerala) Class XII Computer Science Set 02 (Advanced Level) English Medium 100% Free Practice Test

Directorate of Higher Secondary Education (DHSE Kerala) Class XII Computer Science: Data Structures and Operations Online Test (Set 02 (Advanced Level)) | TargetExams

Data Structures and Operations — Set 02 (Advanced Level)

Take free online mock test for Directorate of Higher Secondary Education (DHSE Kerala) Class XII Computer Science chapter 'Data Structures and Operations'. 20 MCQs, 20 minutes, detailed solutions & score analysis.

📝
20 MCQs
Questions
⏱️
20 Mins
Duration
🎯
20 Marks
Total Marks
➕
+1.0
Per Correct
🛡️
0.0
Negative Mark
🌐
English
Language
Start Test Now (English Medium)
Instant Scorecard Step-by-Step Solutions DHSE Kerala SCERT Pattern

Chapter Study Guide & In-Depth Notes

Master the key concepts, vocabulary, and high-yield questions before starting the test.

3 Sections

Chapter Overview & Core Concepts: Data Structures and Operations

Class 12 Study Guide

Mastering Data Structures and Operations in Class 12 provides critical subject intuition, analytical skills, and examination readiness.

Examinations test fundamental principles, definitions, cause-and-effect reasoning, and real-world applications under timed conditions.

Core Moral & Key Takeaway:

Grasping core concepts and practicing with timed chapter-wise CBT tests guarantees top performance in board exams.

Key Terminology, Definitions & Principles

Glossary & Concepts
Term / Formula Type Definition / Meaning Explanation / Notes Example / Usage
Core Concept Principle Primary concept governing Data Structures and Operations. मुख्य सिद्धांत "Understand and apply the principle accurately."
Analytical Deduction Skill Evaluating evidence to draw correct conclusions. तार्किक विश्लेषण "Examine question clues systematically."

Key Features & Devices Explored:

Systematic Elimination
Eliminate distractor choices before selecting the best answer.
Pacing & Accuracy
Complete each question within 60 seconds to maintain steady momentum.

High-Yield Revision Points & Solved Board Exam Q&A

Revision Notes
⚡ High-Yield Exam Takeaways:
  • Review all key textbook terms, definitions, and formulas.
  • Pay attention to units, boundary values, and key keywords in questions.
  • Solve Foundation Set 01 to build confidence, followed by Advanced Set 02 for exam excellence.
Frequently Asked Questions & Model Answers:
Q1 How should students prepare for Data Structures and Operations exams?
Answer: Read the chapter thoroughly, practice step-by-step solved examples, memorize key definitions, and evaluate preparation using timed online CBT mock tests.

Sample Questions Preview

Free Sneak Peek

Here is a sneak peek of the questions included in this test set. Test your preparation by viewing the answer and detailed explanation before starting the timed exam.

Q1
What are the common real-world and computing applications of a **Stack**?
ഒരു **സ്റ്റാക്ക്**-ൻ്റെ പൊതുവായ യഥാർത്ഥ ലോകവും കമ്പ്യൂട്ടിംഗ് ആപ്ലിക്കേഷനുകളും ഏതൊക്കെയാണ്?
A
**1. Function call management & Recursion call stack; 2. Expression evaluation (Infix to Postfix conversion); 3. Undo/Redo operations in text editors; 4. Web browser back-button history****1. ഫംഗ്‌ഷൻ കോൾ മാനേജ്‌മെൻ്റ് & റിക്കർഷൻ കോൾ സ്റ്റാക്ക്; 2. എക്സ്പ്രഷൻ മൂല്യനിർണ്ണയം (Infix to Postfix പരിവർത്തനം); 3. ടെക്സ്റ്റ് എഡിറ്ററുകളിലെ പ്രവർത്തനങ്ങൾ പഴയപടിയാക്കുക/വീണ്ടും ചെയ്യുക; 4. വെബ് ബ്രൗസർ ബാക്ക്-ബട്ടൺ ചരിത്രം**
B
Printer print job scheduling in OSOS-ൽ പ്രിൻ്റർ പ്രിൻ്റ് ജോലി ഷെഡ്യൂളിംഗ്
C
CPU round-robin process schedulingCPU റൗണ്ട്-റോബിൻ പ്രക്രിയ ഷെഡ്യൂളിംഗ്
D
Customer service ticket queueകസ്റ്റമർ സർവീസ് ടിക്കറ്റ് ക്യൂ
Correct Answer: Option A
Explanation:
Stacks power LIFO execution: recursion stacks, bracket matching, arithmetic expression evaluation, undo buffers, and browser history navigation.
സ്റ്റാക്കുകളുടെ പവർ LIFO എക്സിക്യൂഷൻ: ആവർത്തന സ്റ്റാക്കുകൾ, ബ്രാക്കറ്റ് പൊരുത്തപ്പെടുത്തൽ, ഗണിത എക്സ്പ്രഷൻ മൂല്യനിർണ്ണയം, ബഫറുകൾ പഴയപടിയാക്കൽ, ബ്രൗസർ ചരിത്ര നാവിഗേഷൻ.
Q2
What is a **Circular Queue** and why is it superior to a simple Linear Queue?
എന്താണ് **സർക്കുലർ ക്യൂ**, എന്തുകൊണ്ട് ഇത് ഒരു ലളിതമായ ലീനിയർ ക്യൂവിനേക്കാൾ മികച്ചതാണ്?
A
**A queue where the last position connects back to the first position in a ring; Prevents 'False Overflow' where empty spaces created by dequeued front elements are reused efficiently**** ഒരു റിംഗിലെ ആദ്യ സ്ഥാനത്തേക്ക് അവസാന സ്ഥാനം തിരികെ ബന്ധിപ്പിക്കുന്ന ഒരു ക്യൂ; ഡീക്യൂഡ് ഫ്രണ്ട് ഘടകങ്ങൾ സൃഷ്ടിച്ച ശൂന്യമായ ഇടങ്ങൾ കാര്യക്ഷമമായി പുനരുപയോഗിക്കുമ്പോൾ 'ഫാൾസ് ഓവർഫ്ലോ' തടയുന്നു**
B
A queue that spins around in CPU memoryCPU മെമ്മറിയിൽ കറങ്ങുന്ന ഒരു ക്യൂ
C
A queue that allows only circular data valuesവൃത്താകൃതിയിലുള്ള ഡാറ്റ മൂല്യങ്ങൾ മാത്രം അനുവദിക്കുന്ന ഒരു ക്യൂ
D
A queue that has no front or rear pointersമുന്നിലോ പിന്നിലോ പോയിൻ്ററുകൾ ഇല്ലാത്ത ഒരു ക്യൂ
Correct Answer: Option A
Explanation:
Circular queues solve linear queue memory wastage: wrapping $(Rear + 1) pmod{MAX}$ to reuse front vacancies created by dequeuing.
സർക്കുലർ ക്യൂകൾ ലീനിയർ ക്യൂ മെമ്മറി പാഴാക്കൽ പരിഹരിക്കുന്നു: ഡീക്യൂയിംഗ് വഴി സൃഷ്‌ടിച്ച ഫ്രണ്ട് ഒഴിവുകൾ വീണ്ടും ഉപയോഗിക്കുന്നതിന് $(Rear + 1) pmod{MAX}$ പൊതിയുന്നു.

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How Chapter-Wise Online CBT Tests Build Winning Habits for Future Competitive Exams

Focused chapter-wise CBT practice builds the speed, mental stamina, and analytical discipline required to ace CUET, JEE Main, NEET UG, NDA, CA Foundation, and College Entrance Exams.

Competitive Edge

Real-Time Clock Awareness & Pacing

समय प्रबंधन एवं गति नियंत्रण

In school examinations, students write answers without active pacing. In national entrance tests, students have barely 45-60 seconds per MCQ. Practicing with a 20-minute timer instills instinctive time-budgeting and prevents last-minute exam panic.

Mastery of the Elimination Technique

विकल्प निष्कासन विधि में दक्षता

Top rankers in competitive exams rarely compute every problem blindly. They spot subtle traps, evaluate extreme values, and eliminate 2 out of 4 distractors within seconds. Our 4-option sets teach critical distractor analysis.

CBT Screen Stamina & Digital Comfort

कंप्यूटर आधारित परीक्षा का सहज अभ्यास

Almost all major national exams (CUET, JEE, NEET, SSC, Banking) are 100% computer-based. Students who only study on paper experience eye strain and navigation mistakes on exam day. Early CBT practice creates effortless digital fluency.

Immunity to Negative Marking

सटीकता और नकारात्मक अंकन से सुरक्षा

Careless errors—such as misreading "NOT" or "EXCEPT"—ruin thousands of competitive aspirations each year. Regular objective testing builds the habit of double-checking question keywords before locking answers.

Instant Diagnostic Feedback Loop

तत्काल त्रुटि निवारण एवं आत्म-मूल्यांकन

Traditional paper tests take weeks to grade, by which time the student has forgotten their thought process. TargetExams provides instant scorecards and step-by-step solutions while the conceptual puzzle is still fresh.

Start Building Your Competitive Edge from Class

Develop speed, accuracy, and digital test-taking confidence with chapter-wise 20-minute mocks.

Syllabus Concepts Evaluated in this Chapter

This test series specifically evaluates the core competencies and learning objectives outlined in the official syllabus:

  • Core definitions, fundamental theorems, and essential concepts of this chapter.
  • Step-by-step mathematical reasoning and deductive problem-solving.
  • Application of standard formulas and operations in real-world scenarios.
  • Critical examination of common exam pitfalls and misleading options.
  • Higher-order thinking skill (HOTS) questions to prepare for school examinations.
  • Speed and accuracy mastery under standard timed CBT exam conditions.

Exam Rules & Test Taking Guidelines

  • Total Questions: The test consists of exactly 20 objective type questions.
  • Time Allowed: 20 Minutes countdown timer begins as soon as the test launches.
  • Marking Scheme: +1.0 mark is awarded for each correct answer.
  • Zero Penalty: There is 0.0 negative marking for incorrect or unattempted questions.
  • Question Palette: Freely navigate between questions and flag questions for later review.
  • Review & Solutions: Access instant scorecard and full step-by-step solutions upon submission.

Frequently Asked Questions (FAQs)

Yes! Foundation Practice Set 01 for every chapter in Directorate of Higher Secondary Education (DHSE Kerala) Class XII Computer Science is 100% free to attempt. Students can test their knowledge without any payment or hidden fees.
This page is dedicated to English Medium. You can also attempt this test in Hindi Medium by clicking the switcher at the top.
Absolutely. All 20 multiple-choice questions are strictly designed in line with the latest guidelines, covering both basic conceptual understanding and higher-order thinking skills.
The test contains 20 MCQs to be solved in 20 minutes. Each question carries +1.0 mark for a correct answer, and there is zero (0.0) negative marking for incorrect answers.
Yes. Immediately upon submitting your test, you receive a comprehensive performance summary including your total score, accuracy percentage, time spent per question, and full step-by-step explanations for all 20 questions.

Practice Sets in this Chapter

Set 01 (Foundation)

20 MCQs • 20 Mins
View

Set 02 (Advanced)

20 MCQs • 20 Mins
Current

More Chapters in this Subject

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Begin with this 20-minute practice set to test your conceptual accuracy and prepare for top ranks in your school examinations.

Data Structures and Operations (Set 02 (Advanced Level))
20 MCQs • 20 Mins • 100% Free Practice Test

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