The keyboard is a very easy-to-break computer external device, and it is also an essential computer equipment. I often use computers, especially the programmers (yuan) use it every day; the keyboard is prone to problems, and the keyboard It is particularly annoying that some words or numbers cannot be typed after the failure. Here pcjson.com provides you with an online test tool to test the quality of your keyboard keys. Each time you press a key on the keyboard, the keys on the virtual keyboard will be highlighted in color.
Friend Link： 沐杉软件