Usb port
it is used to interface between controller and peripheral device.. peripheral device otherwise called external device such as LED,LCD...
The port is an external connection device on the computer which is used to connect different peripherals. Concretely it is a socket (and the corresponding plug) that enables an external device (peripheral) to be attached to a computer (usually to a motherboard or adapter card).
joystick
joystick
The most common pointing device used by people around the world is a mouse.The new most popular is the touch screen and second is the track pad on your laptop. Then the stylus is the next device which is used by people. These are all few popular and most used pointing devices.
mouse
The port is an external connection device on the computer which is used to connect different peripherals. Concretely it is a socket (and the corresponding plug) that enables an external device (peripheral) to be attached to a computer (usually to a motherboard or adapter card).
A pointing device is used to refer to devices that are used to manipulate a virtual space. A computer mouse would be considered a pointing device. Touch surfaces are not considered pointing devices because they are manipulated directly by the user's inputs without the need for a third party object.
An Uplink Port is a port on a connectivity device, such as a hub or switch, used to connect it to another connectivity device.
Something used to point with - eg a stick.
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
Index finger???