Octal Conversion One Shot | Class 11 CS | Octal to Binary, Decimal & Hex | Practice Questions
Octal Conversion One Shot | Class 11 CS | Octal to Binary, Decimal & Hex | Practice Questions | Video29Description
In this one shot video for CBSE CS Python Class 11, you’ll master Octal conversions in one place.
We convert Octal → Binary, Decimal, and Hexadecimal with shortcuts, step-by-step examples, and practice questions for exams.
✅ Covered in this video:
Octal number system (base 8) basics
Octal to Binary (3-bit mapping method)
Octal to Decimal (positional value using powers of 8)
Octal to Hexadecimal (Octal → Binary → Hex using 4-bit grouping)
Common mistakes + exam tips
Practice questions (Class 11 level)
📌 Quick rules you’ll use in this video:
Octal → Binary: each digit becomes 3 bits (0–7)
Octal → Decimal: sum of digit × 8^position
Octal → Hex: convert to binary first, then group into 4 bits and convert to hex (0–9, A–F)
🧠 Practice Questions (covered in video):
(57)₈ → (?)₂, (?)₁₀, (?)₁₆
(124)₈ → (?)₂, (?)₁₀, (?)₁₆
(305)₈ → (?)₂, (?)₁₀, (?)₁₆
(760)₈ → (?)₂, (?)₁₀, (?)₁₆
(12.6)₈ → (?)₂, (?)₁₀, (?)₁₆
(0.45)₈ → (?)₂, (?)₁₀, (?)₁₆
⏱️ Chapters:
00:00 Intro
01:15 Octal basics (base 8)
02:20 Octal to Binary (3-bit rule)
13:30 Octal to Decimal (8 powers method)
25:30Octal to Hex (via binary + 4-bit grouping)
30:00 Practice questions
Link of Previous Video: https://youtu.be/my6GoARj_EQ
Link of Next Video: Awaited
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