Class 12 Computer Science: Last-Minute Tips from a 100/100 Scorer || 2025

Summary

In this video, Mayang Gupta shares his proven strategy for scoring 100/100 in the 12th-grade Computer Science board exam with only three days of preparation. He breaks down the exam structure, offering crucial tips for each section, including Computer Networks, Database Management, and Python programming. Mayang emphasizes the importance of focusing on key concepts, practicing coding exercises, and mastering SQL queries. He also shares valuable do’s and don’ts for exam day, while offering insights on how the 12th-grade CS curriculum provides a solid foundation for college-level projects and tech careers.

Takeaways

• 😀 Mayank Gupta scored 100/100 in his 12th class computer science boards with just 3 days of preparation.
• 😀 The exam is divided into 70 marks written and 30 marks practical, with written marks split as 10 for Computer Networks, 20 for DBMS, and 40 for Python and Computational Thinking.
• 😀 For Computer Networks, focus on theory from recommended textbooks and scenario-based questions, which are generally easy scoring.
• 😀 In DBMS, practice SQL queries, understand DML and DDL commands, and pay attention to concepts like GROUP BY for calculating min/max values.
• 😀 Python is crucial: practice coding exercises, especially file handling, stack operations, infix-postfix conversions, and revise 11th-grade concepts like functions, lists, and dictionaries.
• 😀 Dry running code helps in accurately answering 'predict the output' questions, even if options are not provided.
• 😀 Always write answers neatly, label sections, use correct terminology, and double-check code indentation and punctuation.
• 😀 One-mark questions can be tricky; do not overlook them and ensure clarity in all answers.
• 😀 Understanding 11th and 12th grade CS concepts provides a strong foundation for college-level coding and projects.
• 😀 Board exam marks are important but the skills learned in computer science are valuable for future tech careers; staying calm and confident is key.

Q & A

Who is Mayank Gupta and what achievement is highlighted in the video?

Mayank Gupta is a student who scored 100 out of 100 in his 12th class computer science board exam with just 3 days of preparation.

How is the 12th class computer science board exam structured in terms of marks?

The exam is divided into 70 marks for the written paper and 30 marks for the practical examination.

What are the main sections of the written exam and their mark distribution?

The written exam consists of three sections: Computer Networks (10 marks), Database Management System (20 marks), and Computational Thinking and Programming/Python (40 marks).

What resources does Mayank recommend for preparing for the Computer Networks section?

He recommends sticking to the prescribed textbooks such as Sumita Aurora and being ready for scenario-based questions in the five-mark section.

Which topics and skills are crucial for scoring in the Database Management System section?

Important topics include understanding theory, DML and DDL languages, writing SQL queries, predicting query outputs, using 'Group By', and integrating Python with SQL.

What are the key areas to focus on for the Python section of the exam?

Students should focus on coding exercises, file handling, stack operations, infix-postfix conversions, predicting outputs, and revisiting 11th-grade Python concepts like functions, lists, strings, and dictionaries.

What strategies does Mayank suggest for answering 'predict the output' type questions?

He suggests calmly dry-running the code statement by statement to determine the correct output, regardless of whether options are provided or not.

What are the dos and don'ts for presenting answers in the exam?

Dos include writing neatly, labeling sections clearly, using correct terminology, double-checking code for proper indentation and punctuation, and carefully reading each question. Paying attention to one-mark questions is also important.

How did studying 11th and 12th-grade computer science help Mayank in college?

It provided familiarity with core concepts, making it easier to learn new programming languages, data structures, and build projects efficiently in both front-end and back-end development.

What is the key mindset Mayank emphasizes for board exam success?

He emphasizes staying calm, confident, and not stressing over marks, since understanding CS concepts from 11th and 12th will be beneficial in college and future tech journeys.

What example of a scenario-based question is mentioned for Computer Networks?

A sample scenario-based question could be suggesting a protocol needed to transfer files from Delhi to Kanur Branch.

Why is practicing Python integration with SQL important according to Mayank?

Because some questions require filling multiple statements or using Python to handle SQL queries, which helps in scoring marks in both conceptual and practical parts.