SPPU DSA- Unit 1

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Data Structures & Algorithms – Unit 1 Notes | SPPU Complete exam-oriented notes for Data Structures & Algorithms (DSA) Unit 1, prepared according to the SPPU syllabus. Introduction: Introduction to data, Difference between Data and Information, need of Data structure, Definition of Data Structure, ADT, Types of Data Structure. Algorithms: Frequency count and its importance in analysis of an algorithm, Time complexity & Space complexity of an algorithm Big ’O’, ‘Ω’ and ’Θ’ notations. Algorithmic Strategies: Introduction to algorithm design strategies- Divide and Conquer, and Greedy strategy. Sequential Organization: Single and multidimensional array and address calculation, Sparse matrix representation using array. Linked Organization: Introduction to linked organization, Singly Linked List, Doubly Linked List, Circular Linked List. Linked Organization: Concept of linked organization, Singly Linked List, Doubly Linked List, Circular Linked List (Operations: Create, Display, Search, Insert, Delete) 📚 What’s included: * Clear and easy-to-understand explanations * Important definitions and concepts * Detailed theory with suitable examples * Algorithmic concepts explained step-by-step * Exam-writing points for theory questions * Well-structured notes for quick revision * Important diagrams and examples wherever required 🎯 Best for: SPPU Computer Engineering / CS / Data Science students preparing for semester examinations. These notes are designed to help you understand DSA concepts easily, revise quickly, and write effective answers in your university exam.