Week 21: Communication

What is the meaning of a telegraph?

• a written message sent from one computer to another

• a system by which messages may be sent by electronic means.

• a simple mode of operation with a block cipher that's mostly used with symmetric key encryption.

• a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.

What is Pirate Radio?

• A radio station that assist Pirates in finding their treasures.

• When radio stations would broadcast shows illegally.

• A radio station that can only be played in the ocean on a boat.

• None of these above.

How does email and text messages travel?

• These two forms of communication are saved as an electronic code that can travel through wires

• By using Morse cade

• These two forms of communication travel via Satellite.

• They travel first class on an airplane.

What year was the Type writer invented?

• 2000

• 1992

• 1868

• 1800

What technology do cell phones need to operate?

• Cell phones need a cord to connect calls.

• Cell phones need to use a satellite in order to transfer the signal.

• Cell phones need nothing to transfer a call from one another.

• Cell phones need a Nickle to make calls.

What impact do you think the telephone had on the improvement of communication?