Do you know what QWERTY is? It refers to the first six letters of the keyboard. Did you find that the arrangement of these six letters and the other 20 letters on the keyboard increased the difficulty of typing? That being the case, why should such an arrangement be adopted? Let's find the answer.
1.QWERTY keyboard is used to slow down typing.
At first, the keyboards of typewriters were arranged alphabetically, but if the typing speed is too fast, some key combinations are prone to key sticking problems, so Christopher? Larson? Christopher latham Shoals invented the QWERTY keyboard layout. He put the most commonly used letters in the opposite direction, so as to slow down the typing speed to the maximum extent and avoid getting stuck. Grant applied for a patent in 1868, and the first commercial typewriter with this layout was successfully put on the market in 1873. This is why there is today's keyboard arrangement. Ironically, this keyboard arrangement, which was formed 29 years ago to slow down typing, has continued to this day. 1986 Bruce? Sir Buryvein once said in the article "Wonderful Writing Machine": "The arrangement of QWERTY is very inefficient." For example, most typists are right-handed, but on QWERTY, the left hand does 57% of the work. The two little fingers and the ring finger of the left hand are the weakest fingers, but they are used frequently. The utilization rate of letters in the middle column only accounts for about 30% of the whole typing workload, so in order to type a word, you often have to move your fingers up and down.
2.DUORAK keyboard is much faster than QWERTY keyboard.
Augst in 1930？ August dvorak invented an advanced Dolak keyboard system, in which nine most commonly used letters are listed on the keyboard. This design enables typists to type at least 3000 words without leaving the keyboard. QWERTY can only do 50 words. DUORAK reduces work intensity and improves work efficiency by reducing finger movement. With DUORAK, the typist's fingers move an average of 65,438+0 miles a day, while QWERTY moves 65,438+02 to 20 miles. During World War II, Augst? Dolak once assembled 14 naval typists to practice Dolak. 1 month later, their speed increased by an astonishing 68%. Dolak keyboard allows the right hand to undertake 56% of the work; The most powerful finger has the largest workload; 70% typing is done in the middle column, without finger. But at that time, it coincided with the Second World War, and the war materials were scarce. This new keyboard was discontinued without asking the market. Try the DUORAK keyboard yourself! Windows built-in support for it. Open the control panel → keyboard, enter the input method regional setting tab, click the Add button, set the input method regional to English (USA), and find "American English -DUORAK" in the keyboard layout/input method column. Upon confirmation, all key positions have been changed. Now you have capital to improve your English typing speed. Of course, it will take time to re-adapt to the new system and train patiently to succeed.
3. A more advanced malt keyboard
Further than Dolak is Li Lian? The malt keyboard invented by Lillian Malt. It changes the original staggered rows of character keys, makes the thumb easier to use, and makes the keys such as backspace, which were far away from the center of the keyboard, easier to reach. But the malt keyboard needs special hardware to be installed on the computer, so it has not been widely used. Keyboard key position design The key position design of a keyboard includes two concepts, one is the design of main English and numeric keys, and the other is the design of various auxiliary keys. The most common English and digital design scheme is the commonly known "QWERTY" Cody keyboard. This is a key scheme invented by Christopher Latham Sholes in 1868. As we all know, the main design purpose of Huang Fengying keyboard is to make the keystroke speed not too fast. However, there is a small mistake in many articles, that is, the key position of Cody's keyboard is not designed to "make the keystroke speed not too fast, so as not to get stuck", but to "try to improve the typing speed without getting stuck". There is a subtle difference between these two statements, that is to say, reducing typing speed is not the ultimate goal, and QWERTY keyboard is not blindly reducing speed. Although it has a deceleration design, which puts a common combination such as ED on one finger, it also has an acceleration combination key such as er. In fact, the fundamental reason for this design lies in the structure of mechanical typewriter. The structure of the I-bar determines that when two closely spaced types are pressed at the same time, they will get stuck, while the two far apart types will not have the same problem. I believe that people who have experience in using English typewriters should have some experience. On Cody's keyboard, some commonly used letters are placed in the position of ring finger and little finger, which has always been considered to slow down by using the inflexibility of little finger. However, this statement does not take into account the actual situation of mechanical typewriters. Although the index finger is the most flexible, the keys on the key position of the index finger are also the easiest to get stuck, so it is natural to put the commonly used letters on the edge to ensure that they will not get stuck when typing at high speed. Therefore, the ultimate goal of designing Huang Fengying keyboard is not simply to reduce the typing speed. In fact, the design of Huang Fengying keyboard is only to improve the typing speed, just to "improve the typing speed as much as possible without jamming". After entering the 20th century, the invention of electromechanical typewriters made it no longer an important problem that the typing arm of mechanical typewriters was stuck, and many high-speed typing keyboards came into being. The most famous one is DVORAK Dvorak keyboard. Dvorak keyboard is a key scheme designed by Professor august dvorak in 1930. Because the mechanical structure of keys is no longer considered, the key arrangement is completely designed according to the idealized keystroke rate distribution. The stroke of finger movement is much smaller than that of Cody keyboard, and the average typing speed is almost twice as fast. However, like many things, the power of habit is irresistible. So far, Dvorak keyboard is only used in a few professional occasions. But if you want to try, you can try the dvorak keyboard scheme that comes with Windows.