2.1 Understanding the keyboard
The keyboard can generally be partitioned according to the functions of the keys, generally divided into: the main keyboard area, the small keyboard area, the control key area, the function key area, and the indicator light area. The following describes the keys and functions of each partition of the keyboard.
2.1.1 Main keyboard area
The main keyboard area is also called 打字键盘区or 字符键区, and has the format of a standard English typewriter keyboard. There are 58 keys in total, including basic character keys and some system control keys.
Tab: Tab character, press this button in Word to separate the text, or switch to the next input box, such as when entering the account number and password.
Caps Lock: After opening, it will enter the state of inputting capital letters.
Shift: Shift button, press and hold it to input uppercase letters or the alternate functions of some buttons.
Ctrl: Control key, usually combined with other keys to form a shortcut key.
Win: On the right side of Ctrl, it is generally the Microsoft Windows logo. After pressing it, the start menu will appear, and form a shortcut key with other keys.
Alt: optional key. English is Alternative, which means you can choose. It needs to be used in conjunction with other keys to achieve a certain purpose of operation.
Backspace: Backspace key, which is the usual delete key, the cursor moves forward to delete, and it can also return to the previous layer in the folder (Enter key is used to enter). Located at the upper right corner of the main keypad, on some keyboards only a small leftward arrow is displayed as a key identification.
Enter: Enter key, it can change the line when inputting text.
菜单键: A key that is not commonly used. It is located between the Ctrl key and the Win key in the lower right corner of the main keypad (the notebook is slightly different, and the location is roughly the same). The icon is like a small book with a mouse drawn on it. Pressing it is equivalent to pressing the right button of the mouse. It may be one of the least commonly used keys.
Space: One of the easiest keys to miss is actually the space bar.
2.1.2 Function keypad
The function key area is above the keyboard, including F1-F12 and,,, <Pause/Break> keys. They represent different functions in different software. The default functions of these keys in the Windows system are introduced below:
ESC: Escape key or cancel key.
F1: Help key, when pressed in different program interfaces, help will be displayed.
F2: Rename key, select a file, press F2 key to enter the rename state.
F3: Generally, it is to find the next one.
Print Screen: Click to take a full-screen screenshot, and press the Alt key together to take a screenshot of the current active window, and then go to the place where the picture can be pasted to paste it.
Pause Break: It can also be regarded as one of the least commonly used keys. Pressing the Win key together with it can quickly open the computer properties.
Scrool Lock: A key that is rarely used now. For example, after Excel is enabled, pressing the arrow will only scroll the worksheet and will not move the cell.
2.1.3 Small keyboard area
The numeric keypad area is on the right side of the keyboard, with a total of 17 keys, including numeric keys, cursor keys and some control keys.
NumLock: Number lock key, used to switch the functions of the direction keys and number keys, which is mainly convenient for the operator to input data with one hand. If it is not turned on, the entire small keyboard area cannot be used to input numbers (not that it cannot be used). You can carefully check that each key on the small keyboard has another logo, such as the small arrow on the 2468, which can achieve other effects. It is in the upper left corner of the small keyboard area. The numbers above the letters on the main keypad are not controlled here.
Enter: Same as the Enter button on the function keypad.
2.1.4 Control keypad
The control keypad is located between the main keyboard area and the small keyboard area, and is used for cursor positioning and editing operations.
In addition to the four partitions of the keyboard, there are 3 indicators on the upper right: Caps Lock indicator, Num Lock indicator and Scroll Lock indicator. When the Caps Lock key, Num Lock key and Scroll Lock key are pressed, the corresponding indicator lights will be turned on or off respectively.
Insert: Sometimes when you are typing, you find that the following words are gone. Usually it is because of the rewriting state of this key, which is only for this purpose. Type in the front and automatically replace the latter, which can be supported in many places.
Delete: A more commonly used key, delete the content behind the cursor in the editing state. Select the file and press this key to delete it directly, and press it together with Shift to permanently delete it.
Page Up, Page Down: The function of turning pages up and down, they can be used where there are scroll bars, and most input methods also support using these two buttons to turn pages of candidate text.
Home, End: Click to reach the beginning and end of a single line, and press the Ctrl key together to reach the beginning and end of the entire article (all). In folders, reach the first and last of the list with a single key press. You can use the Shift key for quick selection.
箭头键: Up ↑, Down ↓, Left ←, Right →, used to move the mouse cursor position.
2.1.5 Status indication area
Caps Lock indicator, Num Lock indicator and Scroll Lock indicator. When the key, key and key are pressed, the corresponding indicator light is turned on or off respectively.
Note: Some symbols distinguish between full-width and half-width symbols, such as the exclamation mark. Generally, the full-width exclamation mark is entered in the Chinese input method: , !while the half-width exclamation mark is entered in the English input method: !. At this point, if we want to set a password in our daily work, it is best not to use this type of symbol.