Discrete Structure (JCS-402) crash course, Online B.Tech, Semester 4:
Mostly definitions plus essays: learn propositional logic (propositions, implication), countable/uncountable sets, logic gates with truth tables, and…
- 5 video lessons
- 1h 27m
- Study notes
- 15 quiz questions
- Assignment
5 lessons in Discrete Structure
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
Mostly definitions plus essays: learn propositional logic (propositions, implication), countable/uncountable sets, logic gates with truth tables, and group/monoid definitions; generating functions for recurrences is the only problem-solving long answer.
- 1
Posets, lattices and Boolean algebra / logic gates
Must study for the exam (×4 · A5, A6, B3, C3 2 + 2 + 5 + 15 marks · MCQ, definition, long explanation with tables).
Discrete Mathematics Lecture 6 | What is Hasse Diagram | POSET in Discrete Mathematics By GP Sir· Dr.Gajendra Purohit· 29 min
Watch lesson - 2
Sets: countable and uncountable sets
Must study for the exam (×4 · A9, A10, B5, C4 2 + 2 + 5 + 15 marks · MCQ, short numerical, long explanation).
Countable and Uncountable Sets - Discrete Mathematics· TrevTutor· 10 min
Watch lesson - 3
Propositional logic and logical implication
Must study for the exam (×4 · A3, A4, B2, C2 2 + 2 + 5 + 15 marks · MCQ, definition, long explanation).
Propositional Logic | Conjunction, Disjunction & Negation | Discrete Mathematics | By Gp sir· Dr.Gajendra Purohit· 20 min
Study notes 5 quiz questionsWatch lesson - 4
Graphs and generating functions
High value for the exam (×4 · A1, A2, B1, C1 2 + 2 + 5 + 15 marks · MCQ, definition, long worked example).
Generating Functions in Discrete Mathematics | Solving Reccurence Relation using Generating Function· Ganitya· 10 min
Study notes 5 quiz questionsWatch lesson - 5
Algebraic structures: semigroup, monoid, group, cyclic group
High value for the exam (×4 · A7, A8, B4, B6 2 + 2 + 5 + 5 marks · MCQ, definition).
Group Theory | Semi-Group , Monoid | Abelian Group | Discrete Mathematics· Dr.Gajendra Purohit· 18 min
Study notes 5 quiz questionsWatch lesson
Assignment
Discrete Structures Exam Practice Set: Logic, Sets, Posets, Algebra and Graphs
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
3 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
15 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 Discrete Structure doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
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Online B.Tech live chat
Anyone else finding Discrete Structure tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz
Doing it now, thanks!
Starting Environmental Science tonight if anyone wants to go together
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Discrete Structure: common questions
Mostly definitions plus essays: learn propositional logic (propositions, implication), countable/uncountable sets, logic gates with truth tables, and group/monoid definitions; generating functions for recurrences is the only problem-solving long answer. It's the Discrete Structure subject of Online B.Tech, Semester 4, in 5 lessons: Posets, lattices and Boolean algebra / logic gates; Sets: countable and uncountable sets; Propositional logic and logical implication; Graphs and generating functions; Algebraic structures: semigroup, monoid, group, cyclic group.
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 27m of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “Discrete Structures Exam Practice Set: Logic, Sets, Posets, Algebra and Graphs”. 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.