Analog and Digital Signals

Front

What is the primary difference between analog and digital signals?

Back

Analog signals are continuous and can take any value within a range, while digital signals use discrete values to represent information.

Front

What are the two main types of signals used in communication systems?

Back

Analog signals and digital signals.

Front

How do digital signals represent information?

Back

Digital signals represent information using discrete values, typically in binary form (0s and 1s).

Front

Why are digital signals preferred in modern communication systems?

Back

Digital signals are less susceptible to noise and interference, allowing for clearer and more reliable communication.

Front

What is noise interference in the context of signals?

Back

Noise interference refers to unwanted disturbances that affect the quality of a signal, making it harder to interpret.

Front

Which type of signal is more resistant to noise interference?

Back

Digital signals are generally more resistant to noise interference compared to analog signals.

Front

What is the range of values that a digital signal can take?

Back

The range of values for a digital signal is finite and discrete, typically represented as binary digits (0 and 1).

Front

What is an example of an analog signal?

Back

An example of an analog signal is a continuous sound wave or a vinyl record.

Front

What is an example of a digital signal?

Back

An example of a digital signal is a computer's binary data or a CD audio track.

Front

How does the number of bits affect a digital signal?

Back

The number of bits determines the number of discrete values a digital signal can represent; more bits allow for a greater range of values.