MOUSE
It is an input device used to control the position of the cursor and moves it around thescreen. It is a “point and draw” input device.
“A Mouse is a point and draw type of
standard input device that rolls
around on a flat surface and controls
the pointer”
The mouse is mainly used in the GUI (graphical user interface) environments. Mouse has a
right and left buttons in common. Many recent mice have a scroll wheel as the middle
button. There are new mice that don't have a ball at all. They use a laser to sense the
motion of the mouse instead.
FUNCTIONS/OPERATIONS OF MOUSE
Following are the functions of a mouse:
1. Pointing2. Clicking
3. Double-clicking
4. Dragging
5. Dragging and Dropping
6. Right-clicking
Pointing:
When we move the cursor of the mouse to an icon and leave it over there it is calledpointing.
Clicking:
While pointing to an icon if we press and release a button of the mouse there, it is called
clicking.
Double-clicking:
If we click and release quickly for two times this is called double-clicking.Dragging:
If we point to a graphic icon, press button over there and hold it down and move our handsacross the screen, this function is called dragging.
Dragging and Dropping:
If we drag a graphical icon across the screen to our desired position and release the
pressed button over there then this function will be called to dragging and dropping.
Right-clicking:
If we point to a graphic icon, press right mouse button, a menu related to the properties ofthat icon opens, this is called the right-clicking.
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