How would a person speaking manderin Chinese use keyboard when there are over 50000 letters in their alphabet?

That's a great question! The Chinese language doesn't actually have 50,000 letters in its alphabet. It uses a system of characters, often called "hanzi," which are not letters in the same way the English alphabet is. Let's break down how Chinese is written and typed:

1. Chinese characters are not an alphabet: They represent whole words or concepts, not individual sounds. There are thousands of characters, but most people learn only a few thousand to function in everyday life.

2. Pinyin: The system used for typing Chinese on a computer is called pinyin, which is a phonetic system that uses Latin letters to represent the sounds of Mandarin Chinese. When you type on a keyboard, you're actually typing pinyin, not the characters themselves.

3. Input methods: There are various input methods for typing Chinese using pinyin:

* Full-pinyin input: You type the full pinyin for the word, and the computer displays a list of possible characters. You then select the correct one.

* Shorthand pinyin input: You can type abbreviations or parts of the pinyin, and the computer will suggest possible characters based on the input.

* Character-based input: Some input methods allow you to type the first few strokes of the character, and the computer will suggest possibilities.

4. Character prediction: Most modern Chinese input systems use sophisticated algorithms to predict what word you are trying to type based on the context of the sentence and your previous input. This makes it much faster and easier to type.

5. Using a virtual keyboard: There are also virtual keyboards that allow you to type characters by selecting them from a list or by using a touch screen.

In conclusion:

Chinese is a fascinating language, and typing it may seem daunting, but the use of pinyin and advanced input methods makes it surprisingly efficient.