Free learning library

Learn Computer Science.
One clear concept at a time.

Find structured Gate Smashers lessons by subject and level. Every learning path remains free to explore.

13 learning paths
▶ Free lesson series
DBMSBeginner

Database Management Systems

Build a clear foundation in relational databases, normalization, transactions and indexing.

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Computer ScienceBeginner

Placement Interview Questions

Prepare for technical interviews with important questions covering core CS subjects, coding, and commonly asked placement concepts.

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Operating SystemsBeginner

Operating Systems

Understand processes, scheduling, memory, deadlocks and file systems with concept-first lessons.

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Computer NetworksBeginner

Computer Networks

Learn networking models, protocols, addressing, routing and the web from first principles.

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DSAIntermediate

Data Structures

Strengthen problem-solving with arrays, linked lists, trees, graphs and core algorithms.

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Deep LearningBeginner

Deep Learning

Master neural networks, deep learning algorithms, and real-world AI concepts from the fundamentals to advanced topics.

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C++Beginner

C++ Complete Course

Learn C++ from the basics to advanced programming concepts with practical examples and problem-solving.

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Machine LearningIntermediate

Machine Learning

Understand core ML concepts, algorithms, model building, and how machine learning is applied to real-world problems.

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Data WareHousing and MiningIntermediate

Data WareHousing and Mining

Learn data warehousing concepts, OLAP, data mining techniques, and methods for extracting valuable insights from data.

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System DesignIntermediate

System Design

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TOCIntermediate

Theory of Computation

Make automata, grammars, computability and complexity easier to reason about.

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COAIntermediate

Computer Organization & Architecture

Explore processors, memory, instruction cycles and the architecture behind computation.

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Software EngineeringBeginner

Software Engineering

Study software processes, design, testing and quality with practical explanations.

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