Affordable, clear, and exam-focused notes for every core CS subject — starting at just ₹49. Instant delivery via WhatsApp after purchase.
Learn about process scheduling concepts, scheduling algorithms, CPU utilization, process states, and how operating systems manage multiple tasks efficiently.
Read ArticleUnderstand arrays, linked lists, stacks, queues, trees, graphs, and algorithms that help organize and process data efficiently.
Read ArticleExplore DDL, DML, DCL, and TCL commands used to create, manipulate, secure, and manage database transactions.
Read ArticleLearn SDLC phases including planning, analysis, design, implementation, testing, deployment, and maintenance.
Read ArticleUnderstand network topologies, protocols, OSI model, TCP/IP, routing concepts, and network security fundamentals.
Read ArticleLearn classes, objects, inheritance, polymorphism, abstraction, encapsulation, and real-world OOP implementation.
Read ArticleExplore processor organization, instruction execution, registers, cache memory, and memory hierarchy concepts.
Read ArticleLearn Python syntax, variables, data types, loops, functions, OOP concepts, and practical programming examples.
Read ArticleLearn the structure of web pages using HTML elements, forms, tables, multimedia, and semantic tags.
Read ArticleExplore selectors, flexbox, grid, animations, transitions, responsive design, and modern UI styling practices.
Read ArticleLearn variables, functions, events, DOM manipulation, loops, conditions, and interactive web development techniques.
Read ArticleMaster SELECT, INSERT, UPDATE, DELETE, JOIN, GROUP BY, and other essential SQL commands for databases.
Read ArticleWe understand what B.Tech CS/IT students actually need — clear, affordable, and exam-focused study material that saves time and improves scores.
Notes are written by hand for better readability — not machine-generated text. Every diagram and explanation is crafted to match how students think.
High-quality study material at a price every student can afford. No subscriptions, no hidden charges — just pay once and download instantly.
Get your notes instantly via WhatsApp or from your dashboard. No waiting, no delays — notes reach you within minutes of payment.
From DSA to AI/ML, we cover all major CS/IT subjects for B.Tech semesters. All notes are aligned with standard university syllabuses.
Follow structured playlists designed to make complex topics simple. All videos are free and explained in easy Hindi and English.
Thousands of B.Tech students across India trust CSE Gyan for their semester and exam preparation. Here's what they have to say.
"The OS notes are incredibly clear. I was struggling with concepts like CPU scheduling and memory management — these notes made everything click right before my semester exam. Scored 79 marks!"
"Got my DBMS notes on WhatsApp within minutes of paying. Super easy process and the content covers everything in the syllabus — even normalization and transaction management. Scored 82 in my paper!"
"I bought DSA, CN, and COA notes together. All three were well-structured, easy to follow, and to the point. Worth every rupee. I've already recommended CSE Gyan to my whole class."
Everything you need to know before buying your notes. Can't find your answer? Contact us on WhatsApp.
From classroom sessions to awards — here's a look at our journey of educating engineering students across India.