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SEMESTER-IIPAPER III: DATA STRUCTURE Mid-Semester Exam 2025UNIT-I
Basic definitions: Classifications, ADT; Linear Data Structures Sequential representations, Non- linear data structures - representations Arrays: Single and Multi-dimensional Arrays; Sparse Matrices (Array and Linked Representation); Row major and column-major order; different applications. Linked Lists: Singly, Doubly and Circular Lists (Array and Linked representation), Normal and Circular representation of Stack in Lists, Self-Organizing Lists; Skip Lists
UNIT-II
Stacks: Implementing single / multiple stack/s in an Array; Prefix, Infix and Postfix expressions, Utility and conversion of these expressions from one to another; Evaluation of postfix expression using stack; Applications of stack; Limitations of Array representation of stack Queues: Array and Linked representation of Queue, De-queue, Priority Queues Recursion: Developing Recursive Definition of Simple Problems and their implementation; Advantages and Limitations of Recursion; Understanding what goes behind Recursion (Internal Stack Implementation); Tail Recursion; When not to use recursion; Removal of recursion.
UNIT-III
Trees and Graphs: Introduction to Tree as a data structure; Binary Trees (Insertion, Deletion, Recursive and IterativeTraversals on Binary Search Trees); Different Properties of Binary trees; Threaded Binary Trees(Insertion, Deletion, Traversals); Height-Balanced Trees (Various operations on AVL Trees); B- tree, ope B+ tree; Graphs - Representations, Breadth-first and Depth- first Search. Searching and Sorting: Linear Search, Binary Search, Comparison of Linear and Binary Search; Bubble Sort, Selection Sort, Insertion Sort, Heap Sort, Merge Sort, Radix Sort, Bucket Sort, Shell Sort: Comparison of Sorting Techniques.
UNIT-IV
Hashing: Introduction to Hashing, Deleting from Hash Table, Efficiency of Rehash Methods, Hash Table, Reordering, Resolving collision by Open Addressing, Coalesced Hashing, Separate Chaining, Dynamic and Extendible Hashing, Choosing a Hash Function, Perfect Hashing Function. File Structures: Sequential and DirectAccess. Relative Files, Indexed Files -B+tree as index. Multi-indexed Files, Inverted Files, Hashed Files.