Octal to Hexadecimal Conversion | CS Class 11 | CBSE CS | Tricks + Practice Questions
Octal to Hexadecimal Conversion | CS Class 11 | CBSE CS | Tricks + Practice QuestionsIn this video, you will learn Octal to Hexadecimal (Hexa-decimal) conversion for CBSE CS Python Class 11 with an easy shortcut method and plenty of practice questions.
✅ What you will learn:
Octal (base 8) and Hexadecimal (base 16) basics
Best method: Octal → Binary → Hexadecimal
Why this method is fastest and safest in exams
Step-by-step solved examples
Practice questions with answers
📌 Fast conversion rule (most important):
Convert each octal digit to 3-bit binary
Group binary from right into 4-bit chunks
Convert each 4-bit chunk to Hex (0–9, A–F)
Hex mapping reminder:
10=A, 11=B, 12=C, 13=D, 14=E, 15=F
🧠 Practice Questions (covered in video):
(57)₈ → (?)₁₆
(124)₈ → (?)₁₆
(305)₈ → (?)₁₆
(760)₈ → (?)₁₆
(12.6)₈ → (?)₁₆
(0.45)₈ → (?)₁₆
⏱️ Chapters (add timestamps after upload):
00:00 Intro
00:55 Why Octal → Binary → Hex works
02:05 Octal to Binary (3-bit rule)
03:15 Binary to Hex (4-bit grouping)
05:20 Solved examples
08:50 Practice questions
10:00 Exam tips + common mistakes
Link of Previous Video: https://youtu.be/udVKhGRrv-k
Link of Next Video: Awaited
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