One day the end of 1971, the British engineer Ray Tomlinson • (Ray Tomlinson) ARPAnet, the predecessor of the Internet wrote a program on the system, after several attempts, successfully running the program, some information presented in another computer screen. Tomlinson was not aware that this is a true sense of the world's first e-mail. Twenty years later, when the e-mail become an indispensable part of daily life, as a great moment in the history of the founder of the Tomlinson asked about the contents of the message, he replied, "Perhaps QWERTYUIOP". And people think of "Hello", "How are you" a class is different, Tomlinson was this message only to run as a normal attempt to readily enter the first line on the computer keyboard of the ten letters.
Many people first contact with the computer keyboard, he will ask the question, the first act on the computer keyboard, what is QWERTYUIOP, rather than alphabetically arranged ABCDEFGHIJ? If so, then you do not need to take the time to remember the location of each letter key the.
The problem up to the first inventor of the keyboard to answer. You may not know the history of the keyboard of the computer's history even earlier than many, although the world's first computer in the 1940s the emergence of a small computer for personal use to 70 years began to appear, but as a group are now computer parts of the keyboard in the 1870s has emerged.
Keyboard originally appeared in 1868, Americans Christopher Latham Sholes invented the mechanical typewriter, as the world's first commercially available mechanical typewriters, so that people bid farewell to the "movable type" era, when "this amazing machine can be a letters neatly and accurately hit the parchment, "and immediately attracted a large number of factories to buy the patent for production, a large number of government employees to purchase company to use.
The initial distribution of the typewriter keyboard is the order in accordance with ABCDEFGHIJ, but in practice, but there is a problem. You might guess this is not the arrangement is not conducive to improving typing speed? On the contrary, this arrangement of typing too fast! Machinery and equipment by the time limit, if the typist typed too fast, hit the bar with the typewriter keys and the adjacent occurrence of stuck. So Christopher Latham Sholes invented for his improvements, artificially reducing the number of commonly used letters of the input speed, QWERT-style keyboard design, which we now use the keyboard.
Later, the level of typewriter design has improved, the phenomenon is almost no longer appear stuck to the mid-20th century, electronic keyboard instead of a mechanical keyboard, type too fast for the fear is completely unfounded become a, QWERT-style keyboard almost yesterday yellow.
At the same time, in the 20th century, after the steam engine era and the Edison era, a variety of machines and new inventions into the people's side, the same machine, how to design allows users to use more convenient, how design can make These products gradually become a more humane difficult problem, so there is a new science - ergonomics. From the ergonomics point of view, QWERT-style keyboard is perhaps the worst in human history, one of the invention, there are many defects.
First of all, 26 English letters in the actual frequency of use is different, the most common letter e the frequency up to 12.702 percent, the letter t is also 9.056 percent. In contrast, the frequency of the letter q is only 0.095%, at least there is only 0.074% of z.
Keyboard fingering by typing in the keyboard three lines in the middle line is the main line, should try to high frequency letters (eg, e, t, a, o, i) are placed in the middle row. But the reality is, QWERT-style keyboard was designed to deliberately Jianman input speed of these keys, they dispersed to, and in the next three lines, we are typing, to keep the hand moving up and down. Some people had done to statistics, use the QWERTY keyboard, a skilled typist fingers moved within eight hours up to 25.7 km distance, the day exhausted. Do not often use the letters j, K (ranked fourth from the bottom fifth) occupy the main line of the two locations, and more frequent use of the m, n is set in the bottom line of the inconspicuous location.
The workload from the right-hand man, we usually use the keyboard for the left hand is not fair, according to statistics 57% of the keystrokes from the left to complete, and most people are not left-handed. Some commonly used words like was, extra fully use his left hand to complete, allowing typists can sneak right hand, left hand has become a "bitter labor."
According to all the fingers of each hand, workload statistics, is unreasonable, and the fingers do not match the strength and flexibility, such as thin small fingers are often not flexible by the "bully", assume the load is too large.
It seems, QWERT style keyboard seems to be a "full cup" keyboard design. According to Americans for more than 1936 of these studies Dvorak invented a new type of keyboard
In this keyboard, you can see, in the main line, AOEUIDHTNS frequency of use of the letters are in the top row of the table, but the bottom line of those letters are seldom used. According to the interpretation of Dvorak, 70% of the key can only be completed by the main line, another 22 per cent by the top row of keys, only 8% of the bottom line, you can make your fingers do not always go up and down in exchange for, consistent with human normal habits. Dvorak keyboard can also right-hand man, the amount of tasks between the various fingers more equitable distribution of the average time the right hand over left, left-handed behavior is no longer there.
In the 1970s, an inventor named Lilian Malt has made further improvements on the DVORAK keyboard, not only to consider the position of the arrangement of letters, the keyboard will be made of curved shape, is divided into two parts, left and right, respectively, two hand control, this kind of design allows typists to keep the body in a comfortable typing position, wrist pain and injury is not easy.
Although the DVORAK keyboard and Malt keyboard easy to learn, input speed, and other aspects of human health better than the QWERTY keyboard, many people are optimistic about their great potential for development is expected, will soon replace the existing keyboard, but the reality is that Today, before the computer is still beating the keyboard QWERTY keyboard, DVORAK keyboard and Malt keyboard "Dead Before the Ship Even Sank", not into the market.
Widely believed, QWERTY keyboard is still active as obsolete on the stage is mainly due to its preconceptions, despite all the shortcomings, but tens of thousands of users already familiar with it, plus the product has been formed, computer practitioners do not want to effortlessly change the keyboard associated with a variety of hardware and software, the introduction of the new keyboard.
However, QWERTY keyboard does not always exist in the world, speech recognition, handwriting input, touch, click enter, and other more advanced input method may one day replace the keyboard has a presence.
Many people first contact with the computer keyboard, he will ask the question, the first act on the computer keyboard, what is QWERTYUIOP, rather than alphabetically arranged ABCDEFGHIJ? If so, then you do not need to take the time to remember the location of each letter key the.
The problem up to the first inventor of the keyboard to answer. You may not know the history of the keyboard of the computer's history even earlier than many, although the world's first computer in the 1940s the emergence of a small computer for personal use to 70 years began to appear, but as a group are now computer parts of the keyboard in the 1870s has emerged.
Keyboard originally appeared in 1868, Americans Christopher Latham Sholes invented the mechanical typewriter, as the world's first commercially available mechanical typewriters, so that people bid farewell to the "movable type" era, when "this amazing machine can be a letters neatly and accurately hit the parchment, "and immediately attracted a large number of factories to buy the patent for production, a large number of government employees to purchase company to use.
The initial distribution of the typewriter keyboard is the order in accordance with ABCDEFGHIJ, but in practice, but there is a problem. You might guess this is not the arrangement is not conducive to improving typing speed? On the contrary, this arrangement of typing too fast! Machinery and equipment by the time limit, if the typist typed too fast, hit the bar with the typewriter keys and the adjacent occurrence of stuck. So Christopher Latham Sholes invented for his improvements, artificially reducing the number of commonly used letters of the input speed, QWERT-style keyboard design, which we now use the keyboard.
Later, the level of typewriter design has improved, the phenomenon is almost no longer appear stuck to the mid-20th century, electronic keyboard instead of a mechanical keyboard, type too fast for the fear is completely unfounded become a, QWERT-style keyboard almost yesterday yellow.
At the same time, in the 20th century, after the steam engine era and the Edison era, a variety of machines and new inventions into the people's side, the same machine, how to design allows users to use more convenient, how design can make These products gradually become a more humane difficult problem, so there is a new science - ergonomics. From the ergonomics point of view, QWERT-style keyboard is perhaps the worst in human history, one of the invention, there are many defects.
First of all, 26 English letters in the actual frequency of use is different, the most common letter e the frequency up to 12.702 percent, the letter t is also 9.056 percent. In contrast, the frequency of the letter q is only 0.095%, at least there is only 0.074% of z.
Keyboard fingering by typing in the keyboard three lines in the middle line is the main line, should try to high frequency letters (eg, e, t, a, o, i) are placed in the middle row. But the reality is, QWERT-style keyboard was designed to deliberately Jianman input speed of these keys, they dispersed to, and in the next three lines, we are typing, to keep the hand moving up and down. Some people had done to statistics, use the QWERTY keyboard, a skilled typist fingers moved within eight hours up to 25.7 km distance, the day exhausted. Do not often use the letters j, K (ranked fourth from the bottom fifth) occupy the main line of the two locations, and more frequent use of the m, n is set in the bottom line of the inconspicuous location.
The workload from the right-hand man, we usually use the keyboard for the left hand is not fair, according to statistics 57% of the keystrokes from the left to complete, and most people are not left-handed. Some commonly used words like was, extra fully use his left hand to complete, allowing typists can sneak right hand, left hand has become a "bitter labor."
According to all the fingers of each hand, workload statistics, is unreasonable, and the fingers do not match the strength and flexibility, such as thin small fingers are often not flexible by the "bully", assume the load is too large.
It seems, QWERT style keyboard seems to be a "full cup" keyboard design. According to Americans for more than 1936 of these studies Dvorak invented a new type of keyboard
In this keyboard, you can see, in the main line, AOEUIDHTNS frequency of use of the letters are in the top row of the table, but the bottom line of those letters are seldom used. According to the interpretation of Dvorak, 70% of the key can only be completed by the main line, another 22 per cent by the top row of keys, only 8% of the bottom line, you can make your fingers do not always go up and down in exchange for, consistent with human normal habits. Dvorak keyboard can also right-hand man, the amount of tasks between the various fingers more equitable distribution of the average time the right hand over left, left-handed behavior is no longer there.
In the 1970s, an inventor named Lilian Malt has made further improvements on the DVORAK keyboard, not only to consider the position of the arrangement of letters, the keyboard will be made of curved shape, is divided into two parts, left and right, respectively, two hand control, this kind of design allows typists to keep the body in a comfortable typing position, wrist pain and injury is not easy.
Although the DVORAK keyboard and Malt keyboard easy to learn, input speed, and other aspects of human health better than the QWERTY keyboard, many people are optimistic about their great potential for development is expected, will soon replace the existing keyboard, but the reality is that Today, before the computer is still beating the keyboard QWERTY keyboard, DVORAK keyboard and Malt keyboard "Dead Before the Ship Even Sank", not into the market.
Widely believed, QWERTY keyboard is still active as obsolete on the stage is mainly due to its preconceptions, despite all the shortcomings, but tens of thousands of users already familiar with it, plus the product has been formed, computer practitioners do not want to effortlessly change the keyboard associated with a variety of hardware and software, the introduction of the new keyboard.
However, QWERTY keyboard does not always exist in the world, speech recognition, handwriting input, touch, click enter, and other more advanced input method may one day replace the keyboard has a presence.
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