Assignment 2 Term 1

Identify whether the following statements are True or False

IF your phone rings, THEN you should answer it

• False
• True

A transceiver is a device that can both send and receive radio signals.

• True
• False

Cell phones can receive both audio and visual data

• True
• False

You and your group mate should not press your buttons at the same time as it can

cause you to miss messages being sent from your partner

• True
• False

If no button is being pressed, the number ‘5’ will appear on the LED array

• True
• False

A radio host sends a message over the radio. The host speaks into the microphone. The microphone is a type of a________that converts sound into electrical energy.

• transducer
• speaker
• receiver
• amplifier

The electrical signal is then sent to a______ that looks like an antenna.

• mechanical vibrations
• Transmitter

• thermal energy
• sound waves

The antenna converts the electrical signal into _______.

• acoustic signals
• digital signals
• mechanical waves
• Radio waves

The car’s antenna (a _______) picks up these radio waves and converts them back into an electrical signal.

• receiver
• transmitter
• amplifier
• decoder

The car radio’s _______ (another transducer) converts the signal back into sound waves.

• speaker
• microphone
• amplifier
• tuner