The reason why the keyboard was designed as a "QWERTY" keyboard was because the keyboards of typewriters were arranged alphabetically at first, and typewriters were all mechanical typing tools. Therefore, if the typing speed is too fast, some key combinations are easy to get stuck, so Christopher Larsen Shoals invented the QWERTY keyboard layout. He reversed the most commonly used letters, slowed down the typing speed as much as possible and avoided getting stuck.
Keyboard is the most commonly used and main input device. You can input English letters, Chinese characters, numbers, punctuation marks, etc. to the computer through the keyboard, thus sending commands and inputting data to the computer. There are also some keyboards with various shortcut keys. With the passage of time, independent products with various quick functions are gradually sold in the market, with special drivers and setting software, and personalized operation can also be realized on compatible computers.
Keyboard structure: 1, shell, some keyboards are fixed on the keyboard panel and base by plastic hook technology, which realizes the design without metal screws. Be careful when disassembling to avoid damage. 2. Panel area, digital auxiliary keyboard area, F-key function keyboard area, control key area and multifunctional keyboard shortcut area. 3. The keyboard circuit board is the control core of the whole keyboard, which is located inside the keyboard and is mainly used as the interface for key scanning recognition, coding and transmission. 4. The key plunger can be seen on the back of the key cap, which is directly related to the life of the keyboard, and its friction coefficient is directly related to the feel of the keys.