RS-232
One. SATA interfaces are USUALLY only one device at a time. It is possible, if the controller supports it, to use a port multiplier which allows you to use four devices off one port .
Both an iOS or Android device supports a USB port, but only Android devices have a slot for a microSD card.
A serial port is an interface in which one bit of data is transmitted at a time.
port
A physical port, as opposed to a virtual or logical port is an interface on a computer into which you can insert a connector for a device.
An interface is a device that interpretates data. A port is only the door in and out from the computer.
port
Basically anything, as far as it has USB interface.
port
console port
You seem to be referring to a NIC (Network interface card).
it is used to interface between controller and peripheral device.. peripheral device otherwise called external device such as LED,LCD...