1. Data Structures: Topics such as arrays, linked lists, stacks, and queues.
2. Object-Oriented Programming: Concepts like classes, objects, encapsulation, inheritance, and polymorphism.
3. Database Management Systems: Topics related to relational databases, SQL queries, and database design.
4. Computer Networks: Concepts such as network topologies, protocols, subnetting, and routing.
5. Software Engineering: Topics related to software development methodologies, project management, and quality assurance.
6. Web Technologies: Concepts like HTML, CSS, JavaScript, and basic web development principles.
7. Mathematics for Computer Science: Topics such as discrete mathematics, probability, and statistics.
8. Operating Systems: Concepts like process management, memory management, and file systems.
9. Programming Languages: Further advanced topics in the programming language being studied, such as C++ or Java.
10. Algorithms: Topics related to algorithm design and analysis techniques.
Remember, this is just a sample list, and actual topics may vary. For precise details, it's best to refer to the syllabus provided by MDU, Rohtak for the third semester BCA program.