Hello, fellow students, as a slightly older me (years are a pig-killing knife), I will make up for everyone today.
In universities, the computer professional courses we take are generally theoretical courses such as operating systems, compilation principles, computer composition principles, and computer networks. There are also practical courses such as C language, Java, and .Net, and even It is possible to let you solder a radio, but some basic habits are easily overlooked and need to be explored by students.
In fact, some good basic habits affect us all the time, not only in the school life, but also in the work life after graduation. Today I want to tell you the habit of using the keyboard.
Some schoolchildren may be surprised, who can't use the keyboard, just tap it with your hands. In fact, what I want to emphasize here is the fingering of the keyboard.
0. The origin of the keyboard
Have you ever thought about why the keyboard looks like this now? Why is the order of the keyboard letters messy? Not in alphabetical order?
In fact, the earliest keyboards were used on typewriters. At the beginning, there were keyboards arranged in alphabetical order, but because the mechanical structure of typewriters was not very advanced at that time, the problem of stuck keys occurred when the typing speed was too fast.
There is a man named Christopher Latham Sholes (Christopher Latham Sholes), he invented a QWERTY keyboard layout, the most commonly used letters are placed in the opposite direction, in order to maximize slow down typing Keystroke speed to avoid key jams.
The first commercial typewriter with this layout was successfully put on the market in 1873, and it has continued to the present. Even if the keyboard technology is very mature now, it is impossible to have the problem of key stuck, because everyone is familiar with this keyboard layout, and it is currently the most widely used keyboard in the world.
1. Disadvantages of non-standard fingering
In fact, the keyboard with QWERTY layout is an anti-ergonomic design. For example, 8 of the 10 most commonly used letters are too far away from the finger position. No way, this is a problem left over from history.
I have seen before that some people only use the index and middle fingers to type, and some people even use "two-finger Zen". So what problems will the non-standard fingering bring?
- Unreasonable finger allocation, often use index finger or middle finger instead of ring finger and little finger, it is easy to fatigue and reduce typing efficiency.
- The range of hand movement is unreasonable, and the few fingers that are often used cover most of the area, resulting in a larger range of finger movement.
- Muscle memory is unreasonable, the range of responsibility for a single finger is too large, muscle memory is difficult to form, and the difficulty of blind typing is even greater.
In short, the non-standard fingering is very tiring and slow, and it is unpleasant.
2. Standard keyboard fingering
The main typing area on the keyboard is divided into 8 areas. The 8 fingers outside the left and right thumbs correspond to one area respectively, and the thumb corresponds to the space bar, as shown in the following figure:
Before typing, put your fingers on the 8 keys "ASDFJKL;". There is a small protrusion on the "F" and "J" keys, even if you don't look at the keyboard, you can know whether the position is correct.
3. Correct fingering
It looks simple, but it's not that easy to do it. Especially if you are used to the previous fingering, you have to go through a "pain period" if you want to change.
Starting from the simplest "F" and "J" keys, step by step to a large section of text input, there are also some small games interspersed in the middle.
We all like to stay in the "comfort zone" and continue existing behaviors and habits. But some habits may be inefficient and even affect our physical health. We must have the courage to break through our "comfort zone", replace our bad habits, and establish good habits that will benefit us throughout our lives.
Finally, thank you for your one-key three-link , handsome and beautiful.
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