Prepare for the upcoming exams with a variety of sample papers & previous year question papers.

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you for downloading the sample papers! Based on your preferred exam, we have a list of recommended colleges for you. Visit our page to explore these colleges and discover exciting opportunities for your college journey.
Error! Please Check Inputs

Stay updated on important announcements on dates, events and news.

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you for Downloading the Marking scheme! Based on your prefered exam, we have a list of recommended colleges for you. Visit our page to explore these colleges and discover exciting opportunities for your college journey.
Error! Please Check Inputs

CBSE Class 12 Computer Science Weightage 2026 Unit and Chapter-Wise Marks Distribution

CBSE Class 12 Computer Science Weightage 2026 is provided for the theory and practical exam, which will help you to start the early preparation for the final exam. Check chapter-wise weightage of topics here. 

Prepare for the upcoming exams with a variety of sample papers & previous year question papers.

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you for downloading the sample papers! Based on your preferred exam, we have a list of recommended colleges for you. Visit our page to explore these colleges and discover exciting opportunities for your college journey.
Error! Please Check Inputs

Stay updated on important announcements on dates, events and news.

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you for Downloading the Marking scheme! Based on your prefered exam, we have a list of recommended colleges for you. Visit our page to explore these colleges and discover exciting opportunities for your college journey.
Error! Please Check Inputs

CBSE Class 12 Computer Science Weightage 2026 : The CBSE 12th Computer Science exam is divided into a 70-mark theory paper and a 30-mark practical examination, making a total of 100 marks. The theory exam is divided into 3 main units: Computational Thinking and Programming-2 worth 40 marks, Computer Networks of 10 marks, and Database Management of 20 marks. The weightage for the practical exam comprises a Lab Test of 12 marks, Report File and Viva  of 10 marks, and a Project of 8 marks.

The Central Board of Secondary Education has implemented some changes in CBSE Class 12 Computer Science Exam Pattern 2026 . There will be more competency-based questions, with a significant portion being case-based and source-based, assessing conceptual understanding rather than memorization. There will be 50% competency-based questions, with a significant emphasis on MCQs, case-based, and source-based questions. Remaining 20% and 30% will be MCQs and constructed response questions, which will include short-answer and long-answer questions. Read the complete article to know more on the CBSE Class 12 Computer Science 2026 Unit and Chapter-Wise Marks Distribution.

CBSE Class 12 Computer Science Weightage 2026 Theory Exam - Chapter Wise

Refer to the table below to have an idea of the unit-wise CBSE Class 12 Computer Science Weightage 2026 for the theory exam:
Unit Number Unit Name Chapters Marks
1 Computational Thinking and Programming – 2
  • Python Basics (data types, operators, control structures like if, loops): High weight
  • Debugging, Modules (syntax, logical errors, math, random, statistics modules)
  • Data Structures (Lists, Tuples, Dictionaries)
  • Strings (operations like concatenation, slicing)
  • Functions (built-in, user-defined, scope of variables)
  • Exception Handling (try-except-finally)
  • File Handling (text, binary, CSV files)
  • Stack data structure and operations (push, pop, implemented using lists)
40
2 Computer Networks
  • Evolution of Networking (ARPANET, INTERNET)
  • Data Communication Concepts (sender, receiver, protocols, bandwidth)
  • Transmission Media (twisted pair, coaxial, fiber optics; wireless media)
  • Network Devices (modem, switches, routers)
  • Network Topologies (bus, star, tree)
  • Network Types (PAN, LAN, MAN, WAN)
  • Network Protocols (HTTP, FTP, TCP/IP, SMTP, etc.)
  • Introduction to Web Services (WWW, URLs, web browsers, web hosting)
10
3 Database Management
  • Database Concepts and Importance
  • Relational Data Model (relations, attributes, keys)
  • SQL (DDL and DML operations - create, insert, update, delete, select queries)
  • SQL Clauses (where, order by, group by, having)
  • SQL Joins (Cartesian product, equi-join, natural join)
  • Python Interface with SQL (connecting, executing queries, commit, fetch)
20
Total 70

Read More CBSE Class 12 Computer Science Sample Paper 2026

CBSE Class 12 Computer Science Weightage 2026 Practical Exam

You can go through the unit-wise CBSE Class 12 Computer Science Weightage 2026 for the practical exam from the table given below:
S.No Unit Name Marks
1 Lab Test: -
1. Python program (60% logic + 20% documentation + 20% code quality) 8
2. SQL queries (4 queries based on one or two tables) 4
2 Report file: -
1. Minimum 15 Python programs. -
2. SQL Queries – Minimum 5 sets using one table / two tables. -
3. Minimum 4 programs based on Python – SQL connectivity 7
3 Project (using concepts learnt in Classes 11 and 12) 8
4 Viva voce 3
- Total 30

Read More CBSE Class 12 Computer Science Syllabus 2026

CBSE Class 12 Computer Science Question Paper Blueprint 2026

The CBSE Class 12 Computer Science question paper has 5 sections (A, B, C, and D). A total of 37 questions will be there in the question paper and the maximum marks will be 70 marks. The question paper consists of MCQs, very short answer type, short answer type, and long answer questions. All programming questions are to be answered using the Python Language only.

Section Type of Questions Question Numbers Marks per Question Total Marks
A Multiple Choice questions 1 to 21 1 mark each 21
B Very short answer questions 22 to 28 2 marks each 14
C Short answer questions type-1 29 to 31 3 marks each 9
D Short answer questions type-2 32 to 35 4 marks each 16
E Long answer questions 36 to 37 5 marks each 10
Total - 1 to 37 70

The CBSE Class 12 Computer Science exam 2026 is designed to evaluate your understanding and skills in key areas such as programming, computer networks, and database management. You must cover all the units and chapters and avoid doing suggestive study to score well in the exam. In practice, write python programs that implement data structures and file handling, and execute SQL queries accurately.

Get Help From Our Expert Counsellors

Get Counselling from experts, free of cost!

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you! Our counsellor will soon be in touch with you to guide you through your admissions journey!
Error! Please Check Inputs

Be the First to Know

Get Access to Latest Updates

Stay updated on important announcements on dates, events and notification

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank You! We shall keep you posted on the latest updates!
Error! Please Check Inputs

Related Questions

Where can I get 12th communicative English practical exam model question papers (Tamil Nadu board) 2015 to 2025 ?

-velusamyUpdated on August 27, 2025 02:01 PM
  • 1 Answer
Nikkil Visha, Content Team

Dear Student, The questions asked in the board's practical exams are not released anywhere. You can take help from your subject teacher to get an idea about the questions that can be asked during the same.

READ MORE...

I'm a UP Board student but with English Medium and I face too much difficulties during reading in Hindi language. So please make sample papers for ACCOUNTS In English.

-aryan pandeyUpdated on August 27, 2025 02:06 PM
  • 1 Answer
Nikkil Visha, Content Team

Dear Student, The questions asked in the board's practical exams are not released anywhere. You can take help from your subject teacher to get an idea about the questions that can be asked during the same.

READ MORE...

2025 mein bhautik vigyan mein कौन-कौन chapter kata hai

-anup sahaniUpdated on September 03, 2025 10:26 AM
  • 1 Answer
Nikkil Visha, Content Team

Dear Student, The questions asked in the board's practical exams are not released anywhere. You can take help from your subject teacher to get an idea about the questions that can be asked during the same.

READ MORE...

Do you have a question? Ask us.

  • Typical response between 24-48 hours

  • Get personalized response

  • Free of Cost

  • Access to community

Talk To Us

  • By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
  • Why register with us?

    Stay up-to date with Exam Notification and NewsGet Exam Date AlertsGet free Sample Papers & Mock TestYou won’t get unwanted calls from third parties
Thank you for Downloading the Marking scheme! Based on your prefered exam, we have a list of recommended colleges for you. Visit our page to explore these colleges and discover exciting opportunities for your college journey.
Error! Please Check Inputs