Data Structure & Algorithms (JCS-301) crash course, Online B.Tech, Semester 3:
Queues are the strongest single topic (queue using array program, enqueue/display using linked list, simple-queue limitation); add bubble sort with a worked…
- 5 video lessons
- 1h 13m
- Study notes
- 25 quiz questions
- Assignment
5 lessons in Data Structure & Algorithms
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
Queues are the strongest single topic (queue using array program, enqueue/display using linked list, simple-queue limitation); add bubble sort with a worked example and BFS/DFS algorithms to cover Part C. Part A is very easy two-option fill-ins.
- 1
Trees and graphs: BFS and DFS
Must study for the exam (×4 · A3, A4, B2, C2 2 + 2 + 5 + 15 marks · fill-in, short note, algorithm).
L-4.15: BFS & DFS | Breadth First Search | Depth First Search | Graph Traversing | DAA· Gate Smashers· 11 min
Study notes 5 quiz questionsWatch lesson - 2
Sorting and searching: bubble sort
Must study for the exam (×4 · A1, A2, B1, C1 2 + 2 + 5 + 15 marks · fill-in, short note, worked example).
L-3.6: How Bubble Sort Works | Performance of Bubble Sort | All Imp Points with Example | Algorithm· Gate Smashers· 9 min
Study notes 5 quiz questionsWatch lesson - 3
Queues: array and linked-list implementation
Must study for the exam (×4 · A6, B4, C3, C4 2 + 5 + 15 + 15 marks · fill-in, short note, algorithm, program).
Complete Data Structures One Shot 4 Hours | Semester Exam Hindi· 5 Minutes Engineering· 15 min
Study notes 5 quiz questionsWatch lesson - 4
Data structure fundamentals
High value for the exam (×4 · A9, A10, B5, B6 2 + 2 + 5 + 5 marks · fill-in, short note).
Introduction to Data Structure & Algorithms | Learn Coding· Learn Coding· 20 min
Study notes 5 quiz questionsWatch lesson - 5
Stack and linked list basics
High value for the exam (×4 · A5, A7, A8, B3 2 + 2 + 2 + 5 marks · fill-in, diagram).
3.1 Stack in Data Structure | Introduction to Stack | Data Structures Tutorials· Jenny's Lectures CS IT· 18 min
Study notes 5 quiz questionsWatch lesson
Assignment
JCS-301 Exam Practice Set: Structures, Queues, Sorting and Graph Traversal
Less scrolling. More passing.
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Hand-picked video lessons
5 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
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Study notes
5 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
25 questions across the course, with the right answer and why, the moment you pick.
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Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
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Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
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Progress that follows you
Completed lessons, quiz scores and where you stopped, saved to your account on every device.
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Live chat
A members-only live chat beside every lesson: doubts, tips, stickers and GIFs with your batch. One ₹19 pass opens every live chat.
The Online B.Tech live chat. Study together, live.
A live chat right beside the video, shared by everyone studying Online B.Tech. Ask a Data Structure & Algorithms doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
- One live chat for all of Online B.Tech
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- One ₹19 pass opens every live chat
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Anyone else finding Data Structure & Algorithms tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz

Doing it now, thanks!
Starting Effective Technical Communication tonight if anyone wants to go together
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Data Structure & Algorithms: common questions
Queues are the strongest single topic (queue using array program, enqueue/display using linked list, simple-queue limitation); add bubble sort with a worked example and BFS/DFS algorithms to cover Part C. Part A is very easy two-option fill-ins. It's the Data Structure & Algorithms subject of Online B.Tech, Semester 3, in 5 lessons: Trees and graphs: BFS and DFS; Sorting and searching: bubble sort; Queues: array and linked-list implementation; Data structure fundamentals; Stack and linked list basics.
Yes. Every video lesson is free to watch without an account. A free login unlocks study notes, quizzes, the assignment, a notebook and progress that syncs across devices.
About 1h 13m of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “JCS-301 Exam Practice Set: Structures, Queues, Sorting and Graph Traversal”. It comes after the last lesson, with a brief, clear tasks and how the work is judged.
A members-only live chat beside the video, shared by everyone studying Online B.Tech, where learners ask doubts, share tips and react with stickers and GIFs. One ₹19 pass, paid once from your InsideEdge wallet, opens the live chat for every degree.
No. It's a crash course to help you understand and revise the subject quickly. Use it alongside your official study material and assignments.