Octal to Binary Conversion | Class 11 CS | CBSE CS | Tricks + Practice Questions
Octal to Binary Conversion (Class 11 Python) | CBSE CS | Tricks + Practice QuestionsIn this video, you will learn Octal Number to Binary Number conversion in the easiest way for CBSE CS Python Class 11.
I explain the exact method CBSE expects, plus a solid set of practice questions so you can master it for exams.
✅ In this video you’ll learn:
What is an Octal number system (base 8)
What is Binary (base 2)
Octal to Binary conversion rule (octal digit → 3-bit binary)
Step-by-step solved examples
Practice questions with answers for Class 11
📌 Quick rule:
Each octal digit converts to 3 binary bits:
0→000, 1→001, 2→010, 3→011, 4→100, 5→101, 6→110, 7→111
🧠 Practice Questions (covered in video):
(45)₈ → (?)₂
(127)₈ → (?)₂
(306)₈ → (?)₂
(701)₈ → (?)₂
(52.4)₈ → (?)₂
(0.73)₈ → (?)₂
⏱️ Chapters
00:00 Intro
01:20 Concept of Octal & Binary
03:30 Octal to Binary rule (3-bit mapping)
04:30 Solved examples
07:30 Practice questions
08:45 Final tips for exams
If you want the next video on Binary to Octal or Hexadecimal conversions, comment the topic.
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