AKTU B.Tech DSA Unit 2 Notes: Stack, Queue & Recursion (Quick Revision) is a study resource for Data Structures and Algorithms(DSA) in B.Tech Computer Science & Engineering (CSE) (2nd Year / 3rd Semester) at Dr. A.P.J. Abdul Kalam Technical University (AKTU). This university-level resource provides a comprehensive roadmap for Dr. A.P.J. Abdul Kalam Technical University (AKTU) students mastering the B.Tech Computer Science & Engineering (CSE) syllabus in Data Structures and Algorithms(DSA). Author's description: Comprehensive Quick Revision Notes for AKTU Unit 2 Data Structures (B.Tech CSE/IT). Covers Stack (Array/Linked List implementation), Infix to Postfix conversion, Recursion (Tower of Hanoi), Queue, Circular Queue, Dequeue, and Priority Queue. Includes C programs and step-by-step algorithms. Perfect for exam-night preparation! Strategically aligned with semester requirements, this material ensures that Data Structures and Algorithms(DSA) concepts are presented with the technical depth and clarity required for high academic standing.