Computer Science in CUET 2026 — Overview

CUET Computer Science (Code 308) is chosen by students targeting B.Sc (Computer Science), BCA, B.Tech (CS/IT), and integrated computing programmes at Central Universities like DU, BHU, JNU, and Jamia. The paper has 50 compulsory MCQs to be answered in 60 minutes, for a maximum of 250 marks.

The entire syllabus is based on the NCERT Class 12 Computer Science textbook and covers four major areas: Python Programming, Data Structures, Database Management (SQL), and Computer Networking. Unlike competitive exams like JEE, CUET CS questions are directly aligned with NCERT content, making it highly scoring for well-prepared students.

Complete Unit-Wise Syllabus

The CUET Computer Science syllabus covers 4 major units from the NCERT Class 12 curriculum. Here is the complete breakdown:

Unit	Topics	NCERT Chapters
1. Python Programming	Revision of basics (data types, operators, expressions, I/O), Control flow (if-elif-else, for, while), Functions (built-in, user-defined, default/keyword arguments, scope), File Handling (text files, binary files using pickle, CSV files), Exception Handling (try-except-finally)	Ch 1–6
2. Data Structures	Stacks (implementation using list, push, pop, peek, isEmpty), Queues (implementation using list, enqueue, dequeue), Applications of stacks (expression evaluation, bracket matching)	Ch 3 (extended)
3. Database Management	Relational Databases (relation, attribute, tuple, domain, key), SQL: DDL (CREATE, ALTER, DROP), DML (INSERT, UPDATE, DELETE), DQL (SELECT, WHERE, DISTINCT, ORDER BY, GROUP BY, HAVING), Aggregate Functions (COUNT, SUM, AVG, MAX, MIN), Joins (Equi-Join, Natural Join), Python-MySQL connectivity (mysql.connector)	Ch 7–10
4. Computer Networking	Network types (LAN, MAN, WAN, PAN), Topologies (Star, Bus, Ring, Mesh, Tree), Transmission Media (Twisted Pair, Coaxial, Fibre Optic, Satellite), Protocols (TCP/IP, HTTP, FTP, SMTP, POP3, IMAP, PPP), Network Devices (Hub, Switch, Router, Gateway, Modem), Web services (WWW, HTML, URL, XML)	Ch 11–14

Chapter-Wise Weightage (PYQ Analysis 2022–2025)

Based on an analysis of CUET Computer Science papers from 2022 to 2025, here is the approximate weightage of each unit. Focus your preparation on Python + SQL first — they account for over 60% of the paper.

Topic Area	Approx. Questions	Weightage	Priority
Python Programming (Functions, File Handling)	15–18	30–35%	★★★ High
SQL (DDL, DML, DQL, Aggregate Functions)	14–16	28–32%	★★★ High
Data Structures (Stacks & Queues)	7–10	15–20%	★★ Medium
Computer Networking (Protocols, Topologies)	5–7	10–15%	★★ Medium
Python-MySQL Connectivity	2–3	4–6%	★ Low

Deleted Topics for 2026

NTA has not deleted any Computer Science topics from the CUET 2026 syllabus. The full NCERT Class 12 Computer Science curriculum remains intact, covering Python, Data Structures, SQL, and Networking.

NCERT Chapters & Books

Section	Chapters	Key Topics for CUET
Python & Data Structures	Ch 1–6	Functions, File Handling (text, binary, CSV), Exception Handling, Stack & Queue using List
Database & SQL	Ch 7–10	Relational Model, SQL commands, Aggregate Functions, GROUP BY, HAVING, Joins, Python-MySQL
Networking	Ch 11–14	LAN/MAN/WAN, Topologies, Protocols (TCP/IP, HTTP), Network Devices, Web Services

Total chapters: ~14 | Total pages: ~320 | A focused student can complete one thorough reading with hands-on coding practice in 2–3 weeks.

How to Score 200+ in CUET Computer Science

Scoring 200+ (80%+) in CUET Computer Science is highly achievable because the syllabus is practical, logic-based, and NCERT-aligned. Here is a step-by-step strategy:

Step 1: Master Python & SQL (Week 1–2)

• Read NCERT Computer Science chapters on Python functions, file handling, and exception handling
• Practice writing code on paper — CUET asks "What is the output?" questions, so you must trace code manually
• Master SQL queries: SELECT with WHERE, GROUP BY, HAVING, ORDER BY, and aggregate functions
• Create a cheat sheet of Python built-in functions, file modes (r, w, a, rb, wb), and SQL syntax

Step 2: Data Structures & Networking (Week 2–3)

• Implement Stack and Queue using Python lists — know push(), pop(), enqueue(), dequeue() by heart
• For Networking, focus on memorising: protocol names, port numbers, topology diagrams, and device functions
• Learn Python-MySQL connectivity code (import, connect, cursor, execute, fetchall, close)

Step 3: Previous Year Papers (Week 3–4)

• Solve CUET Computer Science PYQs from 2022, 2023, 2024, and 2025
• Identify patterns: SQL output questions and Python code tracing are asked every year
• Time yourself: aim for 50 MCQs in 50 minutes (10-minute buffer for tricky code-tracing questions)

Step 4: Mock Tests (Week 4 onwards)

• Take at least 10–15 full-length Computer Science mock tests before the exam
• Use the CUET Gurukul CBT Simulator for the authentic NTA interface experience
• After each mock, debug your wrong answers — trace the code again step by step
• Target: 42+ correct out of 50 consistently in mocks

Common Mistakes to Avoid

1. Not tracing code manually: CUET asks "What is the output of the following code?" — you must trace variable values line by line. Guessing based on a quick glance leads to wrong answers.
2. Ignoring SQL GROUP BY and HAVING: Students focus on basic SELECT queries but skip GROUP BY with HAVING conditions. These are tested every year and are worth 3–4 easy marks.
3. Confusing Stack and Queue operations: Stack is LIFO (Last In, First Out); Queue is FIFO (First In, First Out). Mixing up pop/dequeue behaviour is a common error.
4. Skipping Networking theory: It contributes 10–15% of the paper and involves pure memorisation (protocol names, topology types, device functions). Easy marks if prepared.
5. Not practising file handling modes: Knowing the difference between 'r', 'w', 'a', 'rb', 'wb' modes and their behaviour (overwrite vs append, text vs binary) is critical. At least 2–3 questions come from file handling every year.

Frequently Asked Questions