Digital and Analog Signal Retake

Front

What is a device that makes work easier?

Back

Machine

Front

What is an electronic device that receives data, processes data, stores data, and produces a result?

Back

Computer

Front

What is a characteristic of electromagnetic waves that makes them useful for transmitting signals?

Back

They travel very fast, do not need a medium through which to travel, and can be easily modulated.

Front

What is false about fiber optic cables?

Back

The glass fiber is highly absorbent.

Front

What is the correct order of the steps of communication using signals?

Back

Encode, transmit, decode.

Front

What is a digital signal?

Back

A signal that represents data as discrete values, typically in binary form (0s and 1s).

Front

What is an analog signal?

Back

A signal that represents data as continuous waves, varying in amplitude and frequency.

Front

What is modulation in signal transmission?

Back

The process of varying a carrier signal in order to transmit data.

Front

What is the purpose of encoding in communication?

Back

To convert information into a format suitable for transmission.

Front

What does 'decoding' mean in the context of signals?

Back

The process of converting received signals back into a readable format.