I. Composition of the keyboard
The keyboard is usually composed of a function key area, a primary keyboard area, an edit key area, a secondary key area, and a status indicator.
Function key area/status LED/main keyboard area Edit key area/secondary key area
1-function Key zone
The function key area is at the top of the keyboard and consists of the ESC, F1~F12 13 keys. The ESC key, called a return key or a cancellation key, is used to exit the application or cancel the operation command. F1~f12 These 12 keys are called function keys and have different roles in different programs.
Function Key Area
2-Main keyboard area
This area is our most commonly used keyboard area, consisting of 26 letter keys, 10 numeric keys, and some symbols and control keys. Here are some of the key buttons that are often highlighted.
Main keyboard Area
Number key: The keyboard has 0~9 a total of 10 digits, tapping the number key can be entered into the corresponding Arabic numerals.
Letter key: Enter the English letter, tapping the letter key can enter the corresponding lowercase English letters.
Enter key is the Enter on the keyboard, which is generally used to confirm the input and to edit the document as a separate line.
SPACEBAR: The key is the largest and longest one on the keyboard, press the key can produce a character space.
Up key: For the SHIFT key on the keyboard, press the key while pressing a word keys can enter the key of the upper file characters.
Uppercase Lock: Is the CAPS LOCK key on the keyboard. When the key is not pressed, the system defaults to the lowercase letter, and when the key is pressed, the keyboard LEDs are lit the second time, and the letter is uppercase.
BACKSPACE: That is, the BACKSPACE key on the keyboard. Pressing the key while editing the document deletes the previous character at the position of the cursor.
3-Edit Key area
Edit key area There are 13 keys, the following 4 keys to the cursor direction key, press the key, the cursor will move in 4 directions. Top 9
Edit Key Area
The key functions are as follows.
Print Screen key: Copy the on-screen key. The function of the key is to save the current screen image in a bitmap form in the pasteboard.
Scroll Lock key: Screen scrolling lock key. Useful in DOS, because the display technology at the time limited the screen can display only 80 characters long 25 lines of text, when reading the document, use the key to easily roll the page.
Pause Break key: Pause key. In DOS, press the key screen to stop temporarily, when some computers start, press the key will stop at the start interface.
Insert key: Inserts a key. Used to toggle insert and overwrite status when editing a document.
Home key: The beginning of the line key. When you press the key, the cursor moves to the beginning of the current line.
Page UP key: Page UP key. Press the key to flip the screen up one page.
Delete key: Remove key. Pressing the key deletes the character at the position of the cursor.
End key: Line tail key. When you press the key, the cursor moves to the end of the current line.
Page DOWN key: Page DOWN key. Press the key to flip the screen back one page.
4-Secondary key area
This area is also usually called a keypad, which we use to perform operations such as input data. When the first keyboard indicator is lit, the area keyboard is active and can be used, and when the light is off, the keyboard area is closed. Http://www.dnzs123.com
Secondary key Area
5-Status indicator
Located on the upper right of the keyboard, consists of caps LOCK, ScrollLock, Num lock three LEDs.
Status indicator
Two. Use of keyboard
The correct keyboard use method can greatly improve our efficiency, but also conducive to our physical and mental health. The F and J keys on the keyboard have a raised horizontal, which is the position of our index finger, then the two thumbs on the space bar, the remaining fingers in the "ASD" and "KL;" The key.
How to use the keyboard
More keyboard and typing computer knowledge, you can look at this site online typing system, not only can practice fingering, but also can be typed online Chinese. Basic to meet the needs of typing more.