FINLANDIA SCHOOLScreen pointing device are devices which you can use to control the movement of the pointer to select items on a display screen. It is a hardware input device that allows the user to move the mouse cursor in a computer program or GUI operating system.
Types of screen pointing devices
1. Mouse
2. Track ball
3. Touch ball
4. Joystick
5. Light pen
Mouse
A Mouse is pointing device used to control the movement of a pointer cursor in a graphical environment. It is an alternative to the keyboard.
The different versions of Mouse are as follows
1. PS/2
2. Serial
3. Universal Serial Bus (USB)
4. Cordless
Parts of a Mouse
1. Left button: Used for clicking or double-clicking and object
2. Right button: brings a task menu which contains some commands
3. Mouse ball: a small round ball under the Mouse which rolls on a mouse pad or smooth surface as the mouse is moved on the table
4. Mouse pointer: a small arrow -shaped object that moves around on a computer screen and which is used to point at objects in a graphical operating environment.
5. Mouse cord: a tiny cord fixed onto the mouse for transferring signals to the processor.