Tutorials

Input Device


Mouse


Mouse is a hand held input device. It is used to point any object on the screen.

Mouse has rubber ball at lower side and buttons on top. Some mouse have two buttons whereas some has three.

These buttons are used to enter command or information into the computer.

 

Mouse was invented by Douglas Engelbart in 1963 while working at Xerox PARC.

 

There are various types of mouse:

  1. Mechanical mouse
  2. Optical mouse
  3. Cordless mouse
  4. Touchpad
  5. Trackball
  6. Trackpoint

Functions of a computer mouse

  1. Move the pointing cursor on the computer screen.
  2. Select a particular file or folder. You can also select multiple file or folder at a time using mouse.
  3. By double clicking or by right clicking on a particular file or folder and then selecting 'Open' option we can open the file or folder.
  4. Computer mouse can help us drag and drop a file or folder.
  5. Computer mouse helps us scroll the screen up and down


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