Can you tell me about the following keys on your keyboard?

screen sys rq: Take a screenshot of what is displayed on the screen and put it in a clip board, which can be pasted into Paint.

lock: roll lock, used in DOS for a long time, not in Windows.

break: Press alone to pause (when starting, or in the program), hold down Ctrl and press this key (Ctrl+Break) to interrupt the program.

To change the state of the text, press once to insert, i.e.: the typed character is inserted in front of the original character; Pressing it again is delete, that is, the typed character replaces the original character. Available both in the DOS command line and in Word.

text, go back to the beginning of the line.

Keyboard soft shutdown.

Go to sleep.

up: Awakens from hibernation.

The role of F1-F12: defined by the program. F1 is generally defined as help.

F1-F12 are function keys, and different software will have different functions.

6. Power on. 7. Sleep (energy saving).

8, Wake up (as opposed to 7).

5. Return the cursor to the end of the text field.

4. Change the insertion state of the text.

3. Pause, interrupt the command list (when dir).

2. Roller bar status setting (useful for DOS).

1. Print the screen (press this key to find the attached picture, Ctrl+V stick, the effect you will see).

1.Take a screenshot of your screen.

2.Digital locking.

可暂停定程式的execution,尤其是 dos 程式。 The next time you turn on the computer, you can try it, before you enter the OS, press pause break, and you will understand. Windows + pause break can call up the system content.

4.Insert. 5.The top (you can say the beginning of the paragraph in word, and the web page is the top) 6Power switch.

7.Sleep or hibernation.

8.Wake up (relatively dormant).

F1 F12 has different functions in each software, this will be mentioned in the help file of each software, if not mentioned is the default of Windows.

F1 Help. F2 renamed.

F4 displays a list of Address bars in My Computer and Windows Explorer.

f5 refresh. f6 cycles through screen elements on a window or desktop.

The rest of us don't know.

The keyboard is an important part of the computer, there are more than 100 keys on the keyboard, each key represents a different indication and function, some keys have more than one meaning, so what are the function keys on the keyboard? Let's take a lookHow to use the keyboardLet's introduce.

1. Introduction to the use of the keyboard.

1. The composition of the keyboard.

To knowHow to use the keyboardThe keyboard is mainly divided into four parts, namely the function key area, the main keyboard area, the key area and the number key area.

2. The correct way to play the keyboard.

The keyboard is composed of different types of keys, the keyboard uses the shield or is to hit these keys through the fingers to complete the instructions, generally two hands are used together, the left index finger, the middle finger, the ring finger and the little finger on the four keys of "A, S, D, F", and the right index finger, middle finger, ring finger and little finger are respectively placed on the four basic keys of "H, J, K, L";

When hitting the upper or lower row of keys, use the adjacent mobile phone to tap, do not move all your fingers to the top or bottom at the same time, so that the speed of typing is very slow, and you can't type blindly.

2. What are the function keys on the keyboard?

1. Function key area.

The function key area is mainly composed of the esc key and a row of f keys, where the esc key is to issue cancel and exit commands, while the f1-f12 commands are different, mainly used according to different occasions, such as the f1 key can open the file in the program, the f5 key can be used for the refresh of web pages and so on.

2. Main keyboard area.

The tab key in the primary key area is the bar skip key, you can jump 8 bars by pressing it, the caps lock key is case locked, the shift key is the upper gear can switch the case and input the characters above the key, the ctrl key is an auxiliary macro wu, which is generally used in combination, like ctrl+c is copy, ctrl+v is paste, etc., the backspace key is backspace, also called delete, and the enter key is the enter key, which executes the confirmation and line break command.

3. Key area. The delete key is the delete key to delete the entire folder, the page up key has the function of turning up the page, it is very convenient when browsing the web, for the page down key to turn the page down, the print screen key has the function of taking a screenshot, you can take a screenshot of the entire screen by pressing it** and so on.

4. Numeric key area.

The num lock key corresponds to the upper right corner, which can realize the switching lock of the keypad, that is, the number key, the light is on, the number key can be used, and the following functions can be used.

And the introduction of what are the functions of the keyboard keys, the keyboard is the most used component for computer use, only through the keyboard and mouse with the return can complete all the instructions of the computer, understand it to use it.

1. The composition of the disk: function key area, main keyboard area, key area, number key area (also known as keypad area).

2. Function key area: esc key: cancel, exit (such as:

When we take a screenshot, we can press the key directly if there is a mistake) F1 key: Open the function key to help other Sakura Na Want, the function is different in different programs or software, and you can analyze the situation of the sensitive body.

3. Main keyboard area: Tab key (bar skip key): Press the capslock key to jump 8 bars (case lock key):

Corresponding to the second indicator light above the keypad area, enter the uppercase letter when the light is on, and enter the lowercase letter shift key (upper gear key) when the light is off: press and hold the key to enter the upper row of symbols of the two-character key; It is also possible to enter the ctrl key (secondary key) for uppercase and lowercase letters: it has no effect on its own, and as a result, other keys can have different functions (e.g.

Ctrl+CCopyCtrl+VPasteCtrl+XCut, etc.) Backspace key (backspace key): After positioning the cursor, press once to delete a character in front of the cursorEnter key (Enter spine car key): Confirm, OK, line break and other functions.

4. Key area: delete key (delete key): After positioning the cursor, press it once to delete a character behind the cursor; Select a file and click it to delete it to the ** station home key:

You can move the cursor to the front of the end key:You can move the cursor to the last pageup key: page up, press once while browsing the web or looking at a file to turn up a page page:

Scroll down, press once to scroll down a page when browsing the web or looking at a filePrintScreen: take a screenshot, press once to take a screenshot of the full screen.

5. Numeric key area: numlock key: corresponding to the first indicator above, the number of the keypad can be used when the light is on, and the function below the numeric number of the lamp gray keypad can be.

Several common functions of the spacebar.

Hello, please wait a minute.

Hello,,esc:exitkey. Abbreviation for escape in English, Chinese means escape, exit, etc.

The main role of the application on the computer is to quit a program. For example, if we want to quit while playing a game, we press this button. 2. Tab key:

**Key. Maybe you don't use this one button very often. It is an abbreviation for table, which means ** in Chinese.

The application in the computer is mainly in the word processing software (such as word) to play the role of equidistant movement. 3. Capslock key: Caps lock key.

English is the abbreviation of Capitallock. Used to enter a large number of uppercase English characters. It's a cycle key that reverts back to lowercase when pressed again.

4. When booted to caps, the capslock indicator on the keyboard will be on. Note that when in uppercase, the Chinese input method is invalid. 5. Shift:

Convert key. In English, it means "to transform". It can be used to convert case or upper character keys, and can also work with other keys.

For example, to enter @ for an email, press shift+2 in English.

Hope it helps.