ASCII stands for American Standard Code for Information Interchange. It is a way for computers to understand letters, numbers, and symbols by using numbers behind the scenes.
💡 Fun fact: In ASCII, the letter "A" is actually the number 65!
🖥️ Why was ASCII invented?
Early computers needed a universal language to share text across different machines. ASCII made it possible to send messages and store words easily between computers.
💡 Tip: Before Unicode, almost everything used ASCII!
🔡 What kind of characters does ASCII include?
ASCII includes:
🔤 Uppercase and lowercase letters (A-Z, a-z)
🔢 Numbers (0-9)
✨ Symbols like ! @ # $ % & *
↩️ Control characters like Enter and Tab
🌍 ASCII around the world
ASCII uses only 128 basic characters, mostly good for English. That's why new systems like Unicode were invented to include characters from all languages!
🎯 Quiz
⬇️ Complete the quiz to finish the lesson!
🧠 What should you remember?
🔡 ASCII helps computers represent letters, numbers, and symbols using numbers.
📚 It was created to allow computers to talk to each other easily.
🌍 ASCII is great for English, but limited for other languages.