Why Do We Need Hexadecimal and Octal Number Systems?

It is really important to understand the reason for using Hexadecimal and Octal number systems. In this video, I have explained the need, various usages of Hexadecimal and Octal number system, and also conversion between binary, hexadecimal, and octal number system.

00:00 Agenda of this Video - why Hex & Octal?
00:32 Brief Background on CPUs Instructions
01:38 Brief Background on C Compiler
02:42 Why Hexadecimal Number System is Needed?
04:40 What is Hexadecimal Number System?
05:37 Usefulness of Hexadecimal over Binary
05:50 Why Octal Number System is Needed?
06:21 Command Line Tools which use Hexadecimal
06:46 Command Line Tools which use Octal
08:17 Conversion between Binary and {Hexadecimal | Octal}
09:02 Challenging Problem: Exercise
09:33 Conversion between Hexadecimal and Octal
09:48 Agenda for the Next Video

[razorr]

Really appreciate your videos Sir. One of the best and complete videos on the subject.

[minor]

Really good content please keep it up. Greetings from dominican republic

[brijusingh]

Today, my doubt had cleared.. thank you sir...

[rajisam]

Thank you for ur info and keep doing more

[justcurious]

so many good informations in this video

[decksgamoworld]

There are 16 1s in the binary representation of (8484848484848484)³²