Analog and Digital, Sampling, Binary Code, Morse Code, Pixels

This is how analog signal looks like.

• True
• False

Tags

NGSS.HS-PS4-1

A big advantage of analog technology is the quality doesn't degrade over time.

• True

• False

An analog signal is sent in Discrete pulses in two states, on= 1 or off= 0.

• True
• False

Is this digital or analog?

• Digital 
• Analog

Tags

NGSS.HS-PS4-2

Is this digital or analog?

• Digital 
• Analog

Tags

NGSS.HS-PS4-2

What does continuous information mean?

• Information that comes in separate packets

• Information that comes as a constant, smooth flow

What type of signal is shown here?

• Analog

• Digital

What does discrete information mean?

• Information that comes in separate packets

• Information that comes as a constant, smooth flow

Tags

NGSS.HS-PS4-2

Which type of signal is not affected by a small amount of noise?

• Digital

• Analog

Tags

NGSS.HS-PS4-2

What do we call a string of 1's and 0's used to carry digital information?

• Morse code

• Dichotomous code

• Two-number code

• Binary code

Tags

NGSS.HS-PS4-2