Information Transfer

Front

What invention made it possible to communicate across long distances with electricity and Morse code?

Back

Telegraph

Front

____________ is a code used to transfer information using dots and dashes (long and short signals) to represent a letter, number or special character.

Back

Morse code

Front

Digital devices use _____ to send and transmit information.

Back

Binary code

Front

Put the events in order for sending and receiving a text message on a cell phone: 1. Person #2 receives the message. 2. Person #1 sends the message. 3. Radio waves are sent to the nearest cell tower.

Back

2, 3, 1

Front

What is the main purpose of the telegraph?

Back

To send messages over long distances using electrical signals.

Front

What does binary code represent in digital communication?

Back

It represents data using two states: 0 and 1.

Front

What are radio waves used for in communication?

Back

To transmit information wirelessly over distances.

Front

What is the function of a cell tower in mobile communication?

Back

To relay signals between mobile devices and the network.

Front

What is a text message?

Back

A written message sent electronically via mobile devices.

Front

What does Morse code consist of?

Back

Dots and dashes that represent letters and numbers.