📚 12th Computer Most Repeated Questions – Tamil Nadu 2026 Public Exam
Additional One Time Appeared 2,3 & 5 Marks
2 Marks
- List the Control Structures in Python?(3) Ch6 1
- Why scope should be used for variable. State the reason.(1) Ch3 2
- What is a scope?(1) Ch3 1
- What is searching? Write its types.(1)Ch4 5
- What is base condition in recursive function?(1) Ch7 6
- Which component of SQL lets insert values in tables and which lets to create a table?(1)Ch12 4
- What is the purpose of Destructor?(1) Ch10 5
- Write the phases of performance evaluation of an algorithm.(1) Ch4 2
- List out the Types of Python Functions.(1) Ch7 Pg89
- What is the theoretical difference between Scripting language and other programming language?(1) Ch14 1
- Define Pseudocode.(1) doubt
- What is the difference between Hierarchical and Network data model?(1)Ch11 4
- Write the syntax of nested if. elif. else statement.(1) Ch6 Pg71
- Write the syntax of creating a Tuple with n number of elements.(1) Ch9 5
- What method is used in SQL to fetch all records from a table in a database.(1) Doubt
- What is the use of replace() in Python? Write the general format of replace ().(1) Ch8 Pg117
- Differentiate between sort method and sorted method.(1) Doubt
- What is the use of modules?(1)Ch14 4
- Write short note on keywords.(1)Ch5 Pg56 doubt
- What are the different operators that can be used in Python?(1)Ch5 3
- Let list (10,12,14,18,20), Write the python code to insert the value 16 in between 14 and 18.(1)Doubt
- Write the syntax of “for” loop in python.(1) doubt
- What is slicing a string in python?(1) Ch8 Pg119
- List out the set operations supported by python along with its operators.(1)Ch9 5
- List out the types of function arguments in Python(1)Ch7 Pg92
- How will you delete a string in python?(1)Ch8 3
- Write the difference between table constraint and column costraint?(1)
- What is Scripting language. Give example.(1) Ch14 Pg260
- How can you create a CSV file that contains double quotes with data?(1)Ch13 pg228
- Write General format of Destructor in Python(1) Ch10 pg175
- What are the uses of Data visualization?(1) Ch16 2
- Write SQL TCL Commands.(1)Ch12 pg219
- Define local scope(1) Ch3 1
- Program to illustrate the use of for loop – to print single digit even number.(1)Example 6.9 Pg78
3 Marks
- Define round() function with an example.(1)
- What are the factors that influence time and space complexity(1)
- Write the use of Savepoint command with an example,(1)
- Explain the difference between del and clear() in dictionary with an example.(1)
- What are the difference between list and Tuples.(1)
- What is the side effect of impure function. Give example. (1)
- Define Enclosed scope with an example.(1)
- Write short notes on Escape sequences with examples.(1)
- How recursive function works?(1)
- Write note on range () function?(1)
- Explain object Model with an example.(1)
- What are the advantages of tuples over list?(1)
- Write a note on open () function of python. What is the difference between the two methods?(1)
- Which strategy is used for program designing? Define that Strategy.(1)
- Write a note about count() function in python.(1)
- How to define constructor and destructor in Python?(1)
- Explain DROP TABLE command with example.(1)
- What is SQLite? What is it advantage ?(1)
- Explain any 3 string functions with an example.(1)
- Explain Variable-Length-Arguments in python(1)
- What is Constraint? Write short note on Primary Key Constraint.(1)
- Write the purpose of CSV file in Python.(1)
- Write a SQL Statement using Between and Not Between Keywords.(1)
- Write SQL Delete Command with example.(1)
- Write short note on csv.writer()(1)
- Write a function syntax for adding elements in a list.(1)
- Explain the following built-in function (i) islower() (ii) lower() (iii) len(ster)(1)
5 Marks
- b) Discuss about Linear search algorithm?(1)
- b) Differentiate DBMS and RDBMS?(1)
- b) Explain the characteristics of an algorithm?(1)
- b) How will you access the multi-item. Explain with example.(1)
- b) Explain the concept of Dynamic programming with suitable example(1)
- b) Describe in detail the procedure script mode programming?(1)
- a) What is nested tuple? Explain with an example?(1)
- b) Explain the characteristics of DBMS.(1)
- a) Explain with example Nested loop structure.(1)
- a) Explain Aggregate Functions.(1)
- b) Explain the different operators in Relational algebra with suitable examples.(1)
- Explain the different types of function in python with an example?(1)
- b) Explain recursive function with an example?(1)
- a) Explain with an example del, remove(), pop(); clear () functions of list in python(1)
- b) Explain the Insertion sort Algorithm with Example(1)
- b) Explain the types of function arguments with an example.(1)
- b) Write DDL Commands with suitable example(1)
- 38. a) Write in brief about SQLite and the steps used to use it?(1)
💻 12th Computer Science Important Questions, Guide & Study Material – 2026
Prepare confidently for the Tamil Nadu 12th Computer Science Public Exam using this carefully curated collection of important questions, guide content, and study material. This page is designed for students who are searching for the 12th Computer Science book-based questions, exam-oriented guide, and frequently repeated questions.
All questions are aligned with the latest syllabus prescribed by the Tamil Nadu State Board of School Education and are selected based on previous year public exam question papers, model exams, and textbook exercises. This makes it an ideal resource for regular study, revision exams, and final public exam preparation.

✅ WHAT YOU’LL FIND ON THIS PAGE
✔️ Chapter-wise 12th Computer Science Important Questions
✔️ Most repeated questions from previous public exams
✔️ Exam-focused Computer Science guide content
✔️ Important 2, 3 & 5 mark questions
✔️ Important compulsory questions
✔️ Useful for mid term, quarterly, half-yearly, revision & public exams
📚 12th Computer Most Repeated Questions – Tamil Nadu 2026 Public Exam
💡 12th Computer Science Top 20 Five Marks Public Exam 2026
💡 12th Computer Science Top 25 Three Marks Public Exam 2026
💡 12th Computer Science Top 30 Two Marks Public Exam 2026
📂 Other Subjects Important Questions
- 12th Tamil Study Material
- 12th English Study Material
- 12th Physics Important Questions 2026 Public Exam
- 12th Chemistry Important Questions 2026 Public Exam
- 12th Maths Important Questions 2026 Public Exam
- 12th Botany Important Questions 2026 Public Exam
- 12th Zoology Important Questions 2026 Public Exam
📘 Why This 12th Computer Science Page Is Useful
Unlike general notes, this page focuses only on exam-relevant Computer Science questions that help students score better by studying smartly instead of studying more. The content here complements the 12th Computer Science textbook, making it easier to understand programming concepts, theory questions, and application-based problems.
This page will be regularly updated based on:
- Latest exam trends
- Model question papers
- Student feedback
