Digital Electronics (JEC-301) crash course, Online B.Tech, Semester 3:
Flip-flops (SR/JK/T/D), multiplexers and binary arithmetic each have a 15-mark question plus related MCQs and short notes; the sample-and-hold circuit covers…
- 5 video lessons
- 3h 22m
- Study notes
- 25 quiz questions
- Assignment
5 lessons in Digital Electronics
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
Flip-flops (SR/JK/T/D), multiplexers and binary arithmetic each have a 15-mark question plus related MCQs and short notes; the sample-and-hold circuit covers the fourth long question. The three branch copies are one paper.
- 1
Number systems, binary arithmetic and Boolean logic
Must study for the exam (×4 · A1, A2, B1, C1 2 + 2 + 5 + 15 marks · MCQ, design, numerical).
Digital Logic 12 | Number System | CS, IT & EE, ECE | GATE Crash Course· GeeksforGeeks GATE· 127 min
Study notes 5 quiz questionsWatch lesson - 2
Sample and hold circuit and DACs
Must study for the exam (×4 · A9, A10, B6, C4 2 + 2 + 5 + 15 marks · MCQ, short note, diagram).
Digital to Analog Converter | Types | Tamil· Dr.Jayaudhaya ,Simple and Easy Way· 20 min
Study notes 5 quiz questionsWatch lesson - 3
Flip-flops: SR, JK, T, D
Must study for the exam (×4 · A5, A6, B3, C3 2 + 2 + 5 + 15 marks · MCQ, short note, long comparison).
DIGITAL TECHNIQUES | Sequential Logic Circuits | Flip Flop, SR, JK, D Flip Flop· Pradeep Giri Academy· 31 min
Study notes 5 quiz questionsWatch lesson - 4
Multiplexers
Must study for the exam (×4 · A3, A4, B2, C2 2 + 2 + 5 + 15 marks · MCQ, short note, long answer with diagram).
Multiplexer Explained | Implementation of Boolean function using Multiplexer· ALL ABOUT ELECTRONICS· 13 min
Study notes 5 quiz questionsWatch lesson - 5
Logic families: TTL, Schottky TTL, ECL, CMOS
High value for the exam (×4 · A7, A8, B4, B5 2 + 2 + 5 + 5 marks · MCQ, short note).
Transistor Transistor Logic (TTL) | TTL as NAND Gate | Digital Circuits | Logic Families· Gautam Varde· 11 min
Study notes 5 quiz questionsWatch lesson
Assignment
JEC-301 Problem Set: From Binary Arithmetic to DACs
Less scrolling. More passing.
- Free
Hand-picked video lessons
5 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
- Free login
Study notes
5 lessons come with a summary, key points, key terms and takeaways for quick revision.
- Free login
Quizzes
25 questions across the course, with the right answer and why, the moment you pick.
- Free login
Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
- Free login
Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
- Free login
Progress that follows you
Completed lessons, quiz scores and where you stopped, saved to your account on every device.
- Live chat pass
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 Digital Electronics doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
- One live chat for all of Online B.Tech
- Members-only stickers & GIFs
- One ₹19 pass opens every live chat
Online B.Tech live chat
Anyone else finding Digital Electronics 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
More from Online B.Tech Semester 3
All subjects- Sem 3
JEM-301
Effective Technical Communication
Theory-only paper: prepare essay answers on (1) positive work culture and business ethics, (2) values/self-awareness/goal-setting, (3) usability of technical…
- 6 lessons
- 2h 39m
- Notes
- Quiz
- Sem 3
JBS-301
Mathematics-III (Numerical Method)
Numerical problems dominate: master Newton forward interpolation, Trapezoidal/Simpson rules, the normal distribution and the large-sample z-test; each appears…
- 6 lessons
- 1h 15m
- Notes
- Quiz
- Sem 3CE
JCE-301
Introduction to Civil Engineering
Building construction theory: prepare acoustics (materials, Sabine), foundations (types, investigation, water-logged areas), brick masonry and bonds, and…
- 6 lessons
- 1h 45m
- Notes
- Quiz
- Sem 3CE
BTCE301
Mathematics-III
Only two topics are tested: Laplace transforms of standard functions with linearity, and Fourier transforms (including even/odd functions).
- 2 lessons
- 23 min
- Notes
- Quiz
- Sem 3CE
JCE-302
Surveying and Geomatics
Three of four Part C questions are numericals: photo scale, simple circular curve by offsets from chord produced, and rise-and-fall levelling; learn those…
- 6 lessons
- 2h 10m
- Notes
- Quiz
- Sem 3CSE
JCS-301
Data Structure & Algorithms
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 lessons
- 1h 13m
- Notes
- Quiz
Digital Electronics: common questions
Flip-flops (SR/JK/T/D), multiplexers and binary arithmetic each have a 15-mark question plus related MCQs and short notes; the sample-and-hold circuit covers the fourth long question. The three branch copies are one paper. It's the Digital Electronics subject of Online B.Tech, Semester 3, in 5 lessons: Number systems, binary arithmetic and Boolean logic; Sample and hold circuit and DACs; Flip-flops: SR, JK, T, D; Multiplexers; Logic families: TTL, Schottky TTL, ECL, CMOS.
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 3h 22m of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “JEC-301 Problem Set: From Binary Arithmetic to DACs”. 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.