Digital vs. Analog Technology Concepts

What is a defining characteristic of analog signals?

• They represent data using discrete units like ones and zeros.

• They are highly resistant to interference.

• They use a continuously varying physical quantity to represent data.

• They can be perfectly replicated without any loss of quality.

What is a significant disadvantage of analog technology?

• It requires complex decoding mechanisms.

• It is highly susceptible to interference and signal degradation.

• It can only transmit data over short distances.

• It uses too much storage space.

How does digital technology encode and transmit data?

• By using continuously changing waveforms.

• By modulating the amplitude of a signal.

• By representing data as clear-cut, discrete units of ones and zeros.

• By relying on physical components like diodes and capacitors.

What is the process by which an Analog-to-Digital Converter (ADC) transforms analog sound or video into digital data?

• Demodulation

• Amplification

• Sampling

• Encoding