Mouse and Keyboard

There are special keyboards with extra functions on them for such things as surfing the internet.






what is computer mouse?
A device that controls the movement of the cursor or pointer on a display screen.When we move the mouse, the pointer on the display screen moves in the same direction.

Type of mouse:
-mechanical mouse that uses a ball and rollers to track the movement of the mouse
- optical mouse that uses a light and a sensor to track the movement of the mouse ,they are preferred over standard mechanical mice as they tend to be more reliable and require less maintenance.



INTERFACES to connect the mouse:


Infrared/Bluetooth
A cordless mouse, has no cable, this type of mouse utilises batteries for its power supply.

PS/2 Port
The PS/2 port is a mini DIN plug that contains six pins that is found on almost all IBM compatible computers .

Serial PortThis is a mouse with a serial connector, it requires a free serial port on your PC.

USBUsing uSB plug to connect to the pc.
This type of mouse has a USB connector and requires a free USB port.