Bihar Board Class 12 Computer Science Syllabus 2025-26

Unit-Wise Breakdown of Bihar Board Class 12 Computer Science Syllabus 2025-26

Check each unit in detail with its key topics and learning objectives.

Unit 1 Programming in C++ (30 Marks)

Review of C++ (Class XI Concepts)

Structures: Definition, accessing elements, passing structures to functions, arrays of structures.

Object-Oriented Programming (OOP):

• Data hiding, encapsulation, classes, objects, polymorphism (function overloading).
• Inheritance (single, multilevel, multiple), abstract and concrete classes.

Constructors & Destructors: Default, parameterized, copy constructors.

File Handling:

• Text files (creation, reading, modification).
• Binary files (searching, appending, deletion).

Pointers & Dynamic Memory Allocation: new, delete, reference variables.

Unit 2 Data Structures (16 Marks)

Arrays:

1D & 2D arrays (traversal, searching, sorting, merging).

Stack & Queue:

• Array and linked implementations.
• Operations (PUSH, POP, INSERT, DELETE).

Infix to Postfix Conversion & Evaluation.

Unit 3 Database and SQL (8 Marks)

Relational Database Concepts:

• Keys (primary, candidate, alternate), relational algebra.

SQL Commands:

• CREATE, DROP, ALTER, SELECT, INSERT, UPDATE, DELETE.
• Functions: SUM, AVG, COUNT, MAX, MIN.

Unit 4 Boolean Algebra (8 Marks)

• Laws & Theorems: De Morgan’s Law, Duality Principle.
• Logic Gates: AND, OR, NOT, NAND, NOR.
• Karnaugh Maps (up to 4 variables).

Unit 5 Communication & Network Concepts (8 Marks)

• Transmission Media: Optical fiber, satellite, microwave.
• Network Devices: Router, switch, modem.
• Protocols: TCP/IP, FTP, HTTP.
• Cyber Security: Firewalls, hacking prevention.

Practical Syllabus (30 Marks)

Gain hands-on experience through coding, database queries, and projects.

Programming in C++ (10 Marks)

• Problems on arrays, stacks, queues, file handling.

SQL Commands (5 Marks)

• Writing and executing queries.

Project Work (10 Marks)

• Topics: Banking system, library management, quiz games.

Practical File (5 Marks)

• Minimum 20 programs (arrays, file handling, data structures).

Why the Bihar Board Class 12 Computer Science Syllabus, 2025-26 Matters

The Bihar Board Class 12 Computer Science Syllabus, 2025-26 prepares students for higher education in Computer Science, Engineering, and IT fields. With a strong focus on C++ programming, databases, and networking, it ensures students are industry-ready.

The practical component enhances problem-solving, coding, and database management skills, making it a well-rounded curriculum.

The Bihar Board Class 12 Computer Science Syllabus, 2025-26 is a well-structured curriculum that blends theory and practical learning, ensuring students gain real-world programming and database skills. With a focus on C++, SQL, and networking, it lays a strong foundation for future tech careers.

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