Unit 2 Information Transfer

Front

What is a smoke signal?

Back

A smoke signal is a method of sending messages using smoke to convey a specific signal.

Front

What is the role of a signal in communication?

Back

A signal is a way to convey information or messages from one place to another.

Front

Why are digital signals considered more reliable than analog signals?

Back

Digital signals can be designed to reduce noise, making them clearer and more reliable.

Front

What characteristic of a wave can be modified to carry information?

Back

Amplitude can be modified to carry information in a signal.

Front

Which type of signal is better for transmission?

Back

Digital signals are better for the transmission of signals than analog signals.

Front

What is encoding in communication?

Back

Encoding is the process of converting information from one form to another for transmission.

Front

What was the main purpose of early communication devices that used encoding?

Back

The main purpose was to communicate at a distance.

Front

What is an example of a digital signal?

Back

An example of a digital signal is a computer's binary code.

Front

What is an example of an analog signal?

Back

An example of an analog signal is a vinyl record.

Front

How does noise affect signal transmission?

Back

Noise can distort the signal, making it harder to understand the transmitted information.