Week 9 – Jss 1 Third Term Computer Lesson Notes

 WEEK NINE

 POINTING DEVICES

 A pointer represents a small symbol on the screen. It usually appears on the screen in Graphical User Interface (GUI) environment. A pointing device is an input device. It is used to control the movement ofthe pointer or cursor on the screen. It can also be used for:

1. Sending command signals to the computer.
2. Selecting items on the screen.
3. Selecting commands from commands menu.
4. Drawing graphs etc.

Most Important Pointing Devices
The most important pointing devices are as follows:
1. Mouse
2. Trackball
3. Pointing Stick
4. Joystick
5. Touch Pad
6. Touch Screen
7. Light Pen
8. Digitizer/Graphic Tablet