That's called a Modem... now superseded by broadband routers.
modem
fax
telephone
It can be classified as both. It receives output from one device. It boosts the power and sends it as input to another device.
Yes it is a noun. It is any electronic device that sends or receives television images.
Perhaps you mean a router?
modem
router
A cable converter box sends and receives data over cable from a satellite dish. Data that is received is transposes into a single channel.
A microphone is a source that sends an output to its male plug. A loudspeaker is a load and receives an input at its female plug.
a trasmitter is a device that sends out an electrical current to the sattelite in the space to get any kind of connection like talking on the telephone or the internet or even to radio
A type of device that a computer sends information to.