What is Scroll Lock?

The Scroll Lock key (English: Scroll Lock ) is a key that exists on most keyboards, usually with a light indicating the status of the key switch. Because this key is no longer used, some keyboards have removed this key.

This key was used to lock the scroll function of all software, but it is no longer used by most software today. The original design of this button is to change the behavior of the arrow keys. When the scroll lock is turned on, the arrow keys will become like

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  A keyboard is a set of keys that operate a machine or device through a system arrangement. Its main function is to enter data. Computer keyboard is one of the computer's peripherals, which is developed from typewriter keyboard. You can enter characters through the keyboard and control the operation of the computer. According to the number of keys on the keyboard, it can be divided into 101 and 104 keys, and the 104-key keyboard is also called the Windows 95 keyboard.

  Generally, a computer keyboard consists of a rectangular or approximately rectangular set of buttons, or keys, with characters printed on the keys. In most cases, pressing a key will type a corresponding symbol, such as a letter, number, or punctuation mark. However, there are some special symbols that need to be pressed simultaneously or several keys in order to be played. In addition, some keys do not correspond to any symbols, but affect the operation of the computer. Different input methods define different output symbols. ^[3]