Abstract:
An apparatus including a multifunctional input and output jack and a method using the same are provided, in which a control unit generates a control voltage according to predetermined settings, a signal-processing unit processes a progress path so that at least one of control and image signals with respect to a predetermined external device is input or output according to the control voltage, a switch unit processes a progress path so that a sound signal with respect to the external device is input or output according to the control voltage, and an input and output unit that inputs or outputs at least one of the control, image and sound signals according to the progress path.