Waves and Information U3 L4

Vocabulary

100

A message with information p.136

Signal

200

All possibilities between two endpoints. p.136

Range

300

Part of a device that sends out radio signals. p.136

Transmitter

400

Converts the radio waves into a usable message. p.136

Receiver

500

The part of a device that takes in radio waves. p.136

Antenna

Information Overload

100

True or False: A cell phone must have a antenna to send a signal? p.137

True

200

01001001111010001

Binary Code

300

True or False: All computers use digital signals. p.138

True

400

What signals use clear cut values such as numbers, which are sometimes called digits. p.138

Digital

500

What signals send information in a continuous stream. p.138

Analog

Final Jeopardy

100

This mail service began in the 1860s and delivered letters by horseback.

Pony Express