CBSE Class 12 Computer Science Questions & Answers

Welcome to GKSchools, your trusted educational portal for competitive exam preparation. This page is dedicated to Static_page_helper, a crucial segment under the General Knowledge syllabus. Understanding Static_page_helper is essential for students and aspirants aiming to secure high ranks in competitive examinations. In this detailed study guide, we break down the core principles, solve practice questions, and share expert preparation strategies to help you gain mastery over this topic. Why is this topic important? Questions on Static_page_helper are frequently asked in major exams like SSC CGL, UP Police Constable, Railway (RRB) NTPC, Bank PO, and State PSC Exams. Examiners test your logical understanding, speed, and accuracy in this segment. Scoring well here requires a combination of conceptual clarity and regular mock test practice. On this page, you will find curated study materials, solved examples, and interactive quizzes designed by our editorial board to meet the latest 2026 exam standards. To get the maximum benefit from this guide, we recommend starting with the fundamental concepts, followed by attempting the quiz questions at the bottom of the page. Do not forget to bookmark this resource and check back regularly as we update our daily current affairs and subject notes to reflect the latest notification and syllabus updates. Start your learning journey today and elevate your exam preparation to the next level!

Practice high-quality solved questions, preparation strategies, and mock papers designed for competitive exams.

📅 Last Updated: July 15, 2026 ⏱ 5 mins read 👤 GKSchools Editorial Board

📖 Guide & Exam Strategy: CBSE Class 12 Computer Science

Welcome to GKSchools comprehensive educational portal. This page is dedicated to CBSE Class 12 Computer Science, a crucial segment under the CBSE Study Notes syllabus. Understanding CBSE Class 12 Computer Science is essential for students and aspirants aiming to secure high ranks in competitive examinations. In this detailed study guide, we break down the core principles, solve practice questions, and share expert preparation strategies to help you gain mastery over this topic.

Why is this topic important? Questions on CBSE Class 12 Computer Science are frequently asked in major exams like SSC CGL, UP Police Constable, Railway (RRB) NTPC, Bank PO, and State PSC Exams. Examiners test your logical understanding, speed, and accuracy in this segment. Scoring well here requires a combination of strong foundational concepts and regular practice. By studying the questions and solutions listed below, you can identify typical patterns and avoid common mistakes during the actual exam.

💡 Preparation Tips & Methods

Here are some valuable preparation tips for CBSE Class 12 Computer Science:

Clear Your Basics: Make sure you understand the foundational formulas or logical rules before jumping into mock tests.
Daily Practice: Dedicate at least 20-30 minutes daily to solve different variations of CBSE Class 12 Computer Science questions.
Analyze Explanations: Do not just look at the correct option. Read the detailed step-by-step solutions to understand the logic.
Time Management: Practice with a timer to build the speed required to solve reasoning and math queries efficiently.

🚀 Benefits of Regular Practice

Key benefits of practicing this topic on GKSchools:

100% Free Practice Sets: Access premium mock tests and solved examples without any subscription.
Updated Content: All practice sheets are revised regularly to match the latest exam pattern.
Mobile Friendly: Interface is fully responsive, letting you study on the go.

In conclusion, mastering CBSE Class 12 Computer Science is a step-by-step journey that requires dedication. Use this study notes dashboard as your revision hub. Share this resource with your fellow aspirants, and bookmark the page for quick access before your exams. Let's begin the practice test below!

📝 Solved Practice Sheet & MCQ Test

⚗️ CBSE Class 12 Chemistry Important Questions 🧪

Board Exam 2026 - High Priority MCQs with Detailed Answers

🎯 Most Important 📚 NCERT Based ✅ Board Pattern

📊 Progress

0/20

✅ Attempted

⏱️ Questions

Q1. What is the difference between RAM and ROM?

RAM is volatile memory used for temporary storage, whereas ROM is non-volatile memory used for permanent instructions required for booting.

Q2. Define Encapsulation.

Encapsulation is the process of wrapping data and functions into a single unit called a class.

Q3. What is a Database?

A database is an organized collection of structured data managed by a DBMS.

Q4. What is DBMS?

DBMS stands for Database Management System, used to store, retrieve, and manage data efficiently.

Q5. What is a Primary Key?

A primary key uniquely identifies each record in a table, and it cannot be NULL.

Q6. Explain the term ‘Inheritance’.

Inheritance allows one class to acquire properties and methods of another class.

Q7. What is Cloud Computing?

Cloud computing refers to delivering computing services over the internet such as storage, servers, and databases.

Q8. What is a Computer Network?

A computer network is a group of interconnected computers that share resources and information.

Q9. What is HTTP?

HTTP stands for HyperText Transfer Protocol, used for transferring web pages over the internet.

Q10. What is a Firewall?

A firewall is a security system that monitors and controls incoming and outgoing network traffic.

Q11. What is a Function in Python?

A function is a block of reusable code that performs a specific task.

Q12. Define Recursion.

Recursion is a method where a function calls itself to solve a problem.

Q13. What is CSV file?

A CSV file (Comma Separated Values) stores data in tabular form using commas as separators.

Q14. What is SQL?

SQL stands for Structured Query Language used for managing databases.

Q15. Write the use of ORDER BY in SQL.

ORDER BY is used to sort the records in ascending or descending order.

Q16. What is Cyber Crime?

Cyber crime refers to illegal activities performed using digital devices and networks.

Q17. What is a Tuple in Python?

A tuple is an immutable ordered collection of elements in Python.

Q18. Explain POP in Python.

pop() removes and returns an element from a list at the specified index.

Q19. What is Artificial Intelligence?

AI is the simulation of human intelligence in machines to perform tasks like learning and decision-making.

Q20. What is Big Data?

Big data refers to extremely large datasets that require advanced tools and technologies to process.

Search GK Quiz & Prep Material