keyboard
Keyboard is a system through the operation of a machine or equipment, a group of keys, the main function is to enter the information, according to the number of keys on the keyboard, can be divided into 101 keys and 104 keys two, and 104 key keyboard For Windows 95 keyboard. Computer keyboard is one of the computer peripherals, developed by the typewriter keyboard. Through the keyboard can enter characters, you can also control the operation of the computer. Typically, the computer keyboard consists of a set of buttons that are rectangular or nearly rectangular, or "keys". The keys are printed with characters. In most cases, press a key to hit a corresponding symbol, such as letters, numbers or punctuation and so on. However, there are some special symbols that need to press several keys at the same time or press a few keys in order to play. There are also some keys that do not correspond to any symbols, but affect the operation of the computer. Different input methods define different output symbols. ...