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PCJSONTip: When you want to test the number keys on the keypad, please check whether the [Num Lock] on the keyboard is turned on.

Keyboard Test Tool Introduction

Keyboard It is an external computer device that is easy to break, and it is also an essential computer equipment. I often use computers, especially programmers (yuan), who use it every day; the keyboard is prone to problems, and some words or numbers after the keyboard fails. Not being able to type is particularly annoying. 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.

your footprint: