Topic 3 Lesson 4 Waves and Information

Front

Figure 1 represents _______________ signal.

Back

analog

Front

Figure 2 represents ______________ signal.

Back

digital

Front

A __________ can hear a smaller range of frequencies than a ___________.

Back

bird; human

Front

Select two receivers in the system.

Back

Both mobile TV phones

Front

Which part of the diagram is the antenna?

Back

Repeater tower

Front

What interaction happens at the satellite relay?

Back

The digital code is received by satellite and transmitted to a network.

Front

What interaction happens at the repeater tower?

Back

The code is received by the network and sent to the receiver.

Front

What interaction happens at the TV network satellite uplink?

Back

Pictures and sound are changed into a digital code.

Front

What interaction happens at the mobile TV phone?

Back

The digital information is decoded and changed into TV pictures and sound.

Front

How is the flag system like a radio system?

Back

Both systems send signals that are decoded by a receiver.