Courses
Courses for Kids
Free study material
Offline Centres
More
Store Icon
Store

NCERT Solutions For Class 12 Computer Science - 2026-27

ffImage
banner

Chapter-wise NCERT Computer Science Solutions for Class 12 (2026-27)

Computer Science in Class 12 covers programming, data structures, databases, and networking concepts. The NCERT Solutions for Class 12 Computer Science provide clear explanations, logical approaches, and accurate answers to help students prepare effectively for CBSE exams.


Vedantu’s Class 12 Computer Science NCERT Solutions are aligned with the latest NCERT textbook and syllabus, covering Python programs, SQL queries, and theoretical concepts. Students can access Class 12 Computer Science chapter-wise solutions and computer science class 12 solutions PDF for quick revision and better exam preparation.


NCERT Solutions Class 12 Computer Science Chapter-wise List

The NCERT Computer Science Class 12 PDF download resources include chapter-wise solutions covering all important concepts prescribed in the syllabus. Each chapter focuses on specific programming and theoretical skills required for CBSE Class 12 Computer Science examinations.


NCERT Solutions Class 12 Computer Science Chapter Details and Exercises

The NCERT solutions for Class 12 Computer Science provide chapter-wise, step-by-step answers for textbook exercises, Python programs, theory, and practical questions. They also include quick revision points and exam-focused guidance for effective CBSE board preparation.


NCERT Solutions for Class 12 Computer Science 1: Exception Handling in Python

This chapter explains how Python handles runtime errors using try, except, else, and finally blocks. The NCERT Solutions for Class 12 Computer Science provide stepwise examples to help students differentiate syntax errors from exceptions, manage invalid inputs, and write error-free programs.


S. No

Important Links for Class 12 Computer Science Chapter 1 Exception Handling in Python

1

Chapter 1: Exception Handling in Python Revision Notes

2

Chapter 1: Exception Handling in Python Important Questions


NCERT Solutions for Class 12 Computer Science 2: File Handling in Python

The File Handling in Python chapter explains how to create, open, read, write, append, and close text and binary files using Python. These Class 12 Computer Science Python solutions clarify important file modes such as r, w, and a, along with file pointers, functions, exceptions, and common coding errors through stepwise examples.


S. No

Important Links for Class 12
Computer Science Chapter 2 File Handling in Python

1

Chapter 2: File Handling in Python Revision Notes

2

Chapter 2: File Handling in Python Important Questions


NCERT Solutions for Class 12 Computer Science 3: Stack

The Stack chapter introduces the Last-In, First-Out (LIFO) method through Python-based operations such as push, pop, and peek. These Class 12 Computer Science NCERT solutions explain each operation with stepwise examples, stack-state diagrams, and coding logic. 


S. No

Important Links for Class 12 Computer Science Chapter 3 Stack

1

Chapter 3: Stack Revision Notes

2

Chapter 3: Stack Important Questions


NCERT Solutions for Class 12 Computer Science 4: Queue

The Queue chapter explains how data is processed using the First-In, First-Out (FIFO) method. Through Python-based examples, students learn how enqueue and dequeue operations work, how front and rear positions are updated, and how a queue differs from a stack.


S. No

Important Links for Class 12 Computer Science Chapter 4 Queue

1

Chapter 4: Queue Revision Notes

2

Chapter 4: Queue Important Questions


NCERT Solutions for Class 12 Computer Science 5: Sorting

Sorting is an important programming concept that teaches students how to arrange data using methods such as bubble sort, selection sort, and insertion sort. The Class 12 Computer Science NCERT solutions explain each algorithm through Python code, comparison steps, swaps, and dry-run tables, making it easier to follow how the list changes after every pass. 


S. No

Important Links for Class 12 Computer Science Chapter 5 Sorting

1

Chapter 5: Sorting Revision Notes

2

Chapter 5: Sorting Important Questions


NCERT Solutions for Class 12 Computer Science 6: Searching

The Searching chapter explains how linear search and binary search are used to locate elements in a list. These Class 12 Computer Science NCERT solutions present both methods through clear algorithms, index movements, midpoint calculations, and Python-based examples. 


S. No

Important Links for Class 12 Computer Science Chapter 6 Searching

1

Chapter 6: Searching Revision Notes

2

Chapter 6: Searching Important Questions


NCERT Solutions for Class 12 Computer Science 7: Understanding Data

This chapter explains how data is collected, classified, stored, and organised in computer systems. The Class 12 Computer Science NCERT solutions cover key concepts such as primary and secondary data, structured and unstructured data, records, attributes, and data redundancy. 


S. No

Important Links for Class 12 Computer Science Chapter 7 Understanding Data

1

Chapter 7: Understanding Data Revision Notes

2

Chapter 7: Understanding Data Important Questions


NCERT Solutions for Class 12 Computer Science 8: Database Concepts

Database Concepts builds the foundation for understanding how information is organised and connected in relational databases. The chapter covers tables, records, attributes, primary and foreign keys, data redundancy, normalisation, SQL constraints, and ER models. 


S. No

Important Links for Class 12 Computer Science Chapter 8 Database Concepts

1

Chapter 8: Database Concepts Revision Notes

2

Chapter 8: Database Concepts Important Questions


NCERT Solutions for Class 12 Computer Science 9: Structured Query Language (SQL)

Structured Query Language is an important part of Class 12 Computer Science that focuses on working with data stored in database tables. These NCERT solutions simplify SQL commands with practical examples, sample records, and clearly explained outputs. 


S. No

Important Links for Class 12 Computer Science Chapter 9 Structured Query Language (SQL)

1

Chapter 9: Structured Query Language (SQL) Revision Notes

2

Chapter 9: Structured Query Language (SQL) Important Questions


NCERT Solutions for Class 12 Computer Science 10: Computer Networks

Computer Networks introduces how devices exchange data through different network types, topologies, protocols, and communication models. These Class 12 Computer Science solutions simplify topics such as LAN, MAN, WAN, star and bus topologies, networking devices, and the OSI and TCP/IP models with clear explanations and labelled diagrams. 


S. No

Important Links for Class 12 Computer Science Chapter 10 Computer Networks

1

Chapter 10: Computer Networks Revision Notes

2

Chapter 10: Computer Networks Important Questions


NCERT Solutions for Class 12 Computer Science 11: Data Communication

Data Communication explains how information is transmitted between devices through different communication modes and transmission media. The chapter covers simplex, half-duplex, and full-duplex communication, along with guided and unguided media. 


S. No

Important Links for Class 12 Computer Science Chapter 11 Data Communication

1

Chapter 11: Data Communication Revision Notes

2

Chapter 11: Data Communication Important Questions


NCERT Solutions for Class 12 Computer Science 12: Security Aspects

This chapter explains how digital threats affect computers, networks, and personal data, and introduces practical ways to stay protected. The Class 12 Computer Science solutions cover malware, phishing, viruses, encryption, firewalls, passwords, VPNs, and physical security through clear examples and scenario-based questions. 


S. No

Important Links for Class 12 Computer Science Chapter 12 Security Aspects

1

Chapter 12: Security Aspects Revision Notes

2

Chapter 12: Security Aspects Important Questions


NCERT Solutions for Class 12 Computer Science 13: Project Based Learning

Project-Based Learning brings together Python programming, SQL, database design, testing, and problem-solving into a single practical assignment. In this chapter, students learn how to identify project requirements, plan the application, develop and debug the code, connect a database, document each stage, and present the outcome. 


Primary Features of Vedantu’s NCERT Solutions for Class 12 Computer Science?

The NCERT Solutions for Class 12 Computer Science help students understand programming concepts, algorithms, databases, and problem-solving methods with clear explanations. Designed as per the CBSE curriculum, these solutions support homework, revision, practical preparation, and board exam practice.


  • Step-by-step solutions for NCERT questions.

  • Python program explanations with logic and output.

  • Chapter-wise concepts for quick revision.

  • Exam-focused answers based on CBSE patterns.

  • Support for practical and theory preparation.


Students can use the computer science class 12 solutions PDF for organised revision and practice.


Why Students Prefer Vedantu’s Class 12 Computer Science NCERT Solutions?

The Class 12 Computer Science NCERT Solutions help students understand both programming and theoretical concepts effectively. They explain Python programs, SQL queries, and important concepts in a simple manner, making exam preparation easier.


Students can improve their preparation through:


  • Class 12 computer science Python solutions with step-by-step explanations.

  • Practice of computer science class 12 questions and answers.

  • Better understanding of important definitions and concepts.

  • Improved answer-writing skills for CBSE exams.


How Vedantu’s NCERT Solutions Help in Class 12 Computer Science Preparation

The CBSE Class 12 Computer Science Solutions provide structured guidance for learning and revision. With Class 12 Computer Science chapter-wise solutions, students can practise each topic systematically and strengthen their programming skills.


These solutions help students:


  • Understand Python, SQL, and theoretical concepts.

  • Identify common mistakes while solving questions.

  • Revise important topics before exams.

  • Prepare effectively using NCERT-based explanations.


Students looking for NCERT Computer Science Class 12 PDF download resources can use these solutions for quick and effective revision.


Related Study Materials Links for CBSE Class 12 Computer Science

S. No

Important Study Materials for Class 12 Computer Science

1

CBSE Class 12 Computer Science Sample Papers

2

CBSE Class 12 Computer Science Previous Year Question Paper

3

CBSE Class 12 Computer Science Notes

4

CBSE Class 12 Computer Science NCERT Books

5

CBSE Class 12 Computer Science Important Questions

FAQs on NCERT Solutions For Class 12 Computer Science - 2026-27

1. What are NCERT Solutions for Class 12 Computer Science and how do they help students?

NCERT Solutions for Class 12 Computer Science provide detailed explanations and answers to textbook exercises based on the CBSE syllabus. These solutions help students understand programming concepts, database management, networking, and theoretical topics through clear explanations and practical examples. Using these solutions regularly helps students improve their problem-solving approach and prepare effectively for board examinations.

2. Are Class 12 Computer Science NCERT Solutions useful for CBSE board exam preparation?

Yes, Class 12 Computer Science NCERT Solutions are useful for CBSE board preparation as they follow the NCERT textbook structure and explain important concepts in an exam-oriented manner. Students can use them to practise theory questions, programming problems, SQL queries, and application-based questions that are commonly asked in examinations.

3. Where can students find chapter-wise solutions for Class 12 Computer Science?

Students can access Class 12 Computer Science chapter-wise solutions on Vedantu that are organised according to the NCERT textbook chapters. Chapter-wise organisation makes it easier to revise individual topics, practise exercises, and focus on concepts that require more attention before exams.

4. Do NCERT Solutions for Class 12 Computer Science include Python programming solutions?

Yes, NCERT Solutions for Class 12 Computer Science include explanations for Python-based programming questions covered in the textbook. These solutions help students understand program logic, syntax, functions, data structures, file handling, and other programming concepts required for Class 12 Computer Science preparation.

5. Can students download Computer Science Class 12 solutions PDF for offline revision?

Yes, students can access computer science Class 12 solutions PDF resources for revision and practice. PDF formats allow students to study important concepts, review solved questions, and practise problems anytime without requiring continuous internet access.

6. What topics are covered in Class 12 Computer Science NCERT Solutions?

Class 12 Computer Science NCERT Solutions cover important topics prescribed in the CBSE curriculum, including Python programming, data structures, functions, file handling, database concepts, SQL queries, and computer networks. These solutions guide both theoretical questions and practical programming exercises.

7. How do NCERT Computer Science Class 12 PDF downloads help during exam preparation?

NCERT Computer Science Class 12 PDF download resources help students revise important concepts in a structured manner. Students can quickly refer to solved examples, programming explanations, and textbook answers while preparing for school exams, practical assessments, and CBSE board examinations.

8. How can students improve their programming skills using Class 12 Computer Science NCERT Solutions?

Students can improve programming skills by analysing the logic behind solved programs instead of memorising code. Class 12 Computer Science NCERT Solutions explain the step-by-step approach used to solve programming problems, helping students understand Python concepts, identify errors, and write efficient solutions.

9. Are CBSE Class 12 Computer Science Solutions helpful for practical exams?

Yes, CBSE Class 12 Computer Science Solutions help students prepare for practical examinations by guiding Python programs, output-based questions, database queries, and programming logic. Regular practice with these solutions improves confidence while performing coding tasks during practical assessments.

10. How do Computer Science Class 12 Questions and Answers help students score better marks?

Computer Science Class 12 questions and answers help students understand the expected answer format, important definitions, programming logic, and problem-solving methods. Practising different types of questions helps students improve accuracy, manage exam time, and write answers according to CBSE requirements.

11. What are the common mistakes students should avoid while solving Class 12 Computer Science questions?

Students should avoid memorising programs without understanding the logic, ignoring indentation in Python code, skipping practice of SQL queries, and writing incomplete explanations for theoretical questions. Regular practice with NCERT solutions helps students develop accuracy and avoid common mistakes.

12. How should students use NCERT Solutions for Class 12 Computer Science for revision?

Students should first understand concepts from the NCERT textbook, then practise solved examples and exercises using NCERT Solutions for Class 12 Computer Science. Revising important Python programs, SQL commands, definitions, and frequently asked questions helps students prepare effectively for the final examination.