Digitville: The Land of Numbers Once upon a time, in a world called Digitville, lived numbers of all kinds. They were all friends and lived happily together. But they had one problem - they all spoke different languages, known as "number systems". Each of them had their own unique way of counting and representing numbers. The most popular among them was **Decimal**, who was based on the number 10. Decimal was very friendly and easy to understand. He had 10 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. Everyone in the human world used Decimal for their daily counting. Then there was **Binary**, who only knew two symbols: 0 and 1. Binary was a bit difficult to understand but he was very important in the world of computers. All the computers in the world spoke Binary's language. **Octal** was another friend who had eight symbols: 0 to 7. Octal was not as popular as Decimal or Binary but he had a special place in the world of computers too.The Octal often used in computing syste...