Ch 06 - Telecommunications

This is NOT true of optical fibers

• They reduce background noise

• The signal fads over long distances

• They're made from flexible glass

• They're better for high speed transmission of information

Earth stations are communication satellites that remain in the same position above the earth

• TRUE

• FALSE

Communication Satalites

• Relay messages from one location to another

• Always remain above the same part of the earth

• Orbit the earth

• All of these

When you select a TV channel, you are actually tuning in a TV station frequency.

• True

• False

This statement about digital TV is NOT true

• Better quality transmission

• Federal government requires the adoption of digital technologies

• Know as HDTV

• Digital TV is TV combined with computers

The telephone was the first devise to produce mass communication.

• True

• False

Telecommunication means

• Mass Communication

• Communication over long distances

• Televised Communication

• Communication by using electronics

A patent makes sure that no one copies an invented object or process.

• True

• False

Microwaves are very short wave that have been created by a magnetic field.

• True

• False

Cellular phones use radio waves to transmit conversations and information.

• True

• False