Information Technology

Front

What is the difference between digital and analog signals?

Back

Digital signals represent data in discrete values (0s and 1s), while analog signals represent data in a continuous flow.

Front

What type of data is described as smooth and continuous?

Back

Analog data.

Front

Which of the following is NOT a type of electromagnetic wave used to transmit signals? (sound waves, light waves, radio waves, microwaves)

Back

Sound waves.

Front

What does FM stand for in signal transmission?

Back

Frequency Modulation.

Front

What does it mean to encode information?

Back

To translate information into a specific form of code.

Front

What is an example of a digital signal?

Back

A computer's binary code (0s and 1s).

Front

What is an example of an analog signal?

Back

A vinyl record playing music.

Front

What is the primary use of radio waves?

Back

To transmit audio and video signals over long distances.

Front

What does AM stand for in signal transmission?

Back

Amplitude Modulation.

Front

What is the purpose of encryption in information technology?

Back

To secure information by converting it into a code.