Introduction to the function of the third keyboard and mouse of the entry of computer entry


The role of computer keyboard function keys and introduction

1. Metropolitan movement key: The role of the cursor to the key is used to move up, down, left and right during the text editing process. Press the “↑” key: the cursor moves upward and press the “↓” key: the cursor moves down the “→” key: the cursor moves to the right to press the “←” key:

2. “Home” key: the cursor moves to the left

3. “END” key: Move the cursor to the head

4. “Pageup” key: move the cursor to the tail

5. “PageDown” key: Every time, the cursor moves down and press “Ctrl+Home”: Move the cursor to the forefront of the file and press “Ctrl+End”: move the cursor to the end of the file to the file

6. “←” Delete key: (some keyboard is “backspace”): Delete the character in front of the cursor and press the “Delete key (or” DEL “in the digital keyboard area): delete the characters behind the cursor

7. CAPS LOCK key: Switch for uppercase letters and lowercase letters. Press the key. There is a corresponding indicator light above the digital keyboard area. Press again, the lights go out and enter a lowercase letter.

8. Shift 1 key: Press the “Shift” key to not loosen, and press the other key to enter the symbol on the key surface. Such as: For example, if you want to enter ” % ¥”: (), etc., you need to press the key. 2. Used for lax and lowercase switching: if you are currently a capital state (CAPS LOCK light light), press the key to knock into the alphabet key, and you will be the alphabet key. Enter a lowercase letter; if you are currently a lowercase state, press the key to enter the capital letter.

9. ESC key: ① Interrupt and cancel operation: For example, you click a certain menu or call up a dialog box, and you don’t want to do this operation. You can click the key to cancel.

10. Digital lock key: Num Lock This key is located above the left of the digital keyboard area. There is also a corresponding indicator light on the top. Press, light on, then click, and the lights are off. When the lamp is on -enter the digital light to turn off -enable the function key, that is, “Del (delete), ins (insert / rewriting), home” and so on.

11. TAB key: This function key has two major functions: 1. In text editing software, click the key to move the cursor to the next table. (See Word textbook for details) 2. In the dialog box, press the key, you can switch the cursor between the options.

Computer keyboard application function Daquan

F1: In the program or the resource manager interface, press F1 to pop up the help button.

F2: Rename

When you select a folder in the resource manager, press F2 to rename the current folder.

F3: Search files

In the resource manager interface, press the F3 cursor to jump to the search bar and search for the files under the current folder.

F4: Open the address list in the browser

Press the F4 key in the address to open the address list that has been recorded in the browser, and there is an alt+F4 closing window.

F5: Refresh the page and desktop refresh

F6: Position to the address bar in the resource manager or browser

F7: It is not only useful in the DOS window in the Windows system


F8: Press F8 to display the startup menu when starting the computer

F9: Reduce the volume in WindowsMediaPlayer

F10: Open the shortcut keys at the same time, and hold down Shift+F10 and jump out of the desktop and right -click the menu

F11: The window is switched to full screen (different from maximizing, experience it yourself)

F12: Save another as

Mouse function and operation:

Category of mouse: Mouse is divided into mechanical mouse, optical mouse, photoelectric mouse and optical mouse.

Mechanical mouse. The mechanical mouse is mainly composed of rolling balls, rollers and grating signal sensors.

Light machine mouse. The mouse is improved on the basis of pure mechanical mouse, and the positioning accuracy of the mouse is improved by introducing optical technology.

Optical Mouse. (1) The photoelectric mouseromer is to convert the displacement signal into an electrical pulse signal by detecting the displacement of the mouse, and then control the movement of the cursor arrow on the screen through the processing and conversion of the program. (2) Optoelectronics mouse with photoelectric sensor instead of rolling balls. This type of sensor needs a special, striped or dot pattern padding panel.

Optical mouse. Optical mouse is a high -end mouse designed by Microsoft. It uses ntellieye technology.

Basic operations of the mouse include direction, click, double -click, drag, and right -click.

1. Direction: Finger move the mouse and move the mouse pointer to the operating object.


2. Click: Refers to quickly press and release the left mouse button. Click generally used to select an operation object.

3. Double -click: Refers to quickly press and release the left mouse button twice in a row. Double -click to open the window and start the application.

4. Drag: Press the left mouse button, move the mouse to the specified position, and then release the operation of the button. Drag is generally used to select multiple operation objects, copy or move objects, etc., can also be used to drag the window.

5. Right -click: Refers to quickly press and release the right mouse button. Right -click is generally used to open a shortcut menu related to operation.

Introduction to the function of the third keyboard and mouse of the entry of computer entry