communication system in canada

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Across
  1. 4. a system that converts acoustic vibrations to electrical signals in order to transmit sound, typically voices, over a distance using wire or radio.
  2. 6. stated that the world is becoming a global village
  3. 7. is the physical transfer of data over a point-to-point or point-to-multipoint communication sysytem
Down
  1. 1. a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange
  2. 2. idea that the world is becoming like one large of improvements in communication
  3. 3. is the transfer of information from one place to another
  4. 5. a device that receives television signals and reproduces them on a screen.