The computer keyboard we often use is divided into five small areas: the upper row is the function key area and status indication area; the lower five lines are the main keyboard area, editing key area and auxiliary key area.
Main keyboard area. The main keyboard area is also called the general keyboard area and contains 10 numeric keys, 26 English letter keys, 11 punctuation mark keys, 10 control keys, 1 space bar, 2 window keys and 1 menu key. There are 61 keys in total, each key has its own unique function.
[Back Space]—— Back key, use this key to delete the character before the cursor; Enter]——Line feed key, which is what we call the Enter key. Use this key to move the cursor to the beginning of the next line. We usually call it line feed;
[Shift]—— Letter Temporary uppercase and lowercase conversion key, usually called the shift key; when you press this key and then press the numeric keys, the symbols on the numbers will be input, and when letters are input, the letters will be converted into small and large characters; www.xpc8.com Learn Computer Getting StartedThe functions of the function keypad F1 to F12 vary depending on the operating system or application.
The editing keypad includes the insert character key [Ins], the delete character key [Del] at the current cursor position, the [Home] key that moves the cursor to the beginning of the line and the [Home] key that moves the cursor. The [End] key to the end of the line, the [Page Up] key and the [Page Down] key, as well as the up, down, left and right arrows.
(2) Edit keypad. The editing key area is located on the right side of the keyboard. There are a total of 10 keys in the editing key area. Each key is explained below.
.Insert: There are two states in keyboard input: one is the insertion state; the other is the overwriting state. In the overwriting state, the currently entered character can overwrite the character under the cursor.
Xiaojian panel area. The numpad area is also called the numeric keypad. Since the numbers and editing keys of the numeric keyboard are concentrated, the operation is easier. Therefore, the small keyboard area provides great convenience for statistics, accounting, and financial personnel.
The auxiliary key area (small keyboard area) has 9 numeric keys, which can be used for continuous input of numbers and used for inputting a large number of numbers, such as in accounting input. In addition, The five-stroke income in the five-stroke font is also used. When using the keypad to input numbers, [Num Lock] should be pressed. At this time, the corresponding indicator light in the status indicator area will light up.
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