办公桌上的键盘 What is the purpose of the keyboard?

The keyboard is a device used to input data into a computer. It is typically made of plastic or metal and has a set of keys that are arranged in a specific order. When you press a key, it sends a signal to the computer, which processes the data and displays it on the screen.

The keyboard is an essential part of any computer. It allows you to type in your documents, emails, and other important information. Without a keyboard, it would be impossible to get work done.