Digital vs. Analog Signals

Ashley and Anahi are discussing how different types of signals work. What is a key characteristic of analog signals?

• They can only take on binary values

• They have infinite possible values

• They never degrade over distance

• They are always digital in nature

Tags

NGSS.MS-PS4-3

Alan and Damoni are working on a project about modern technology. They need to identify which type of signal is used primarily in modern computers. What should they choose?

• Continuous signals

• Wave signals

• Digital signals

• Natural signals

Tags

NGSS.MS-PS4-3

During a tech class, Elanna and Ja'cere are learning about different types of signals. What best describes a digital signal?

• It has smooth, continuous waves

• It uses infinite values

• It degrades quickly over distance

• It uses discrete values (0 or 1)

Tags

NGSS.MS-PS4-3

Jayla and Alex are working on a project that involves storing a large amount of data. Which format should they use for better storage efficiency?

• Analog format

• Both formats equally

• Neither format

• Digital format

Tags

NGSS.MS-PS4-3

During a science class, Coralie and Alyne were discussing how human voices are naturally categorized. What is the correct categorization?

• Analog signals

• Binary signals

• Digital signals

• Electronic signals

Tags

NGSS.MS-PS4-3

During a class discussion, Vivian asked: "what advantage do digital signals have regarding security when sending messages over the internet?"

• They cannot be intercepted

• They can be encrypted

• They are naturally secure

• They are impossible to copy

Tags

NGSS.MS-PS4-3

Joel and Marco are working on a project where they need to transmit signals over a long distance. They are discussing which type of signal is more susceptible to noise and distortion. Which type of signal should they be more cautious about?

• Digital signals

• Binary signals

• Analog signals

• Electronic signals

Tags

NGSS.MS-PS4-3

The Kardashian's are setting up a new television in their living room. They are curious to know what type of signal modern television broadcasts primarily use. Can you help them find the answer?

• Mixed signals

• Digital signals

• Wave signals

• Analog signals

Tags

NGSS.MS-PS4-3

Jacobi is starting a new business setting up new home theater systems. A client is questioning whether to use a digital or analog format for streaming high-definition movies. Which format requires higher bandwidth?

• Digital format

• Both formats equally

• Analog format

• Neither format

Tags

NGSS.MS-PS4-3

Travis Parker and Jakob are working on a project that involves transmitting analog signals from one city to another. What happens to these analog signals over long distances?

• They become stronger

• They remain unchanged

• They multiply

• They degrade

Tags

NGSS.MS-PS4-3