Input Devices

WIMP – Windows icons menus pointer (Windows icon mouse pull down menu) it was used early in the 1990’s.

GUI (Graphics User Interface)

How a mouse works – the mouse uses a ball under it which can move north, south, east and west. As the axis pulses are sent to the computer.








Mouse

• A mouse is a pointing device which is the second most common input device.
• A flat surface is needed for the mouse to function properly.
• A small ball moves and the movements are detected by the way the ball was turning.
• A small arrow moves around the screen using a special ‘mouse driver’. This shows the mouse cursor on the screen.
• A mouse has at least 2 buttons. A left button and a right button. The left button is normally used to make selections. The right one is used for Pop down Menus, which change according to the application being used.
• Touch pads and trackballs are two more pointing devices. They are used instead of a...