Unit 3: Waves and Information Technology - Review

Front

What is wavelength?

Back

Wavelength is the distance between successive crests of a wave, typically measured in meters.

Front

What is bandwidth in the context of digital signals?

Back

Bandwidth refers to the amount of information that can be transmitted over a communication channel in a given amount of time.

Front

What is a limitation of analog signals?

Back

Analog signals can experience signal degradation over long distances, leading to a loss of quality.

Front

What is a circuit?

Back

A circuit is a closed path through which electric current can flow.

Front

Which type of wave has the longest wavelength?

Back

Among electromagnetic waves, radio waves have the longest wavelengths.

Front

What is signal strength?

Back

Signal strength refers to the power level of a signal, which affects the quality of communication.

Front

What is latency?

Back

Latency is the delay before a transfer of data begins following an instruction for its transfer.

Front

What is throughput?

Back

Throughput is the actual rate at which data is successfully transmitted over a communication channel.

Front

What is the difference between analog and digital signals?

Back

Analog signals are continuous and can vary in amplitude and frequency, while digital signals are discrete and represent data in binary form.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.