Analog clocks provide (a)   data.

• Discrete data
• Continuous data
• Binary data
• Digital data

An example of a quality that can vary in an analog world is (a)  

• Binary code
• Digital signals
• Temperature
• Internet speed

Match the following signal characteristics with their types.

• Characteristic of analog signals

• Fixed values

• Representation using 0s and 1s

• Continuous variation

• Characteristic of digital signals

• Regular intervals

• Characteristic of digital signals

• Binary code

Tags

NGSS.MS-PS4-3

(a)   signal is more reliable for encoding and transmitting information.

• Analog
• Digital
• Continuous
• Variable

Tags

NGSS.MS-PS4-3

The amplitude of digital signals on a graph is (a)  

• Infinite levels
• Two positions
• Three positions
• Continuous levels

Tags

NGSS.MS-PS4-3

Match the following types of signals with their reliability.

• Signals that are more reliable

• Digital Signals

• Signals that have characteristics of both

• Analog Signals

• Signals that are less reliable

• Neither

• Signals that do not fit either category

• Both

Tags

NGSS.MS-PS4-3

(a)   involves all electromagnetic waves.

• Digital Signals
• Analog Signals
• Both
• Neither

Tags

NGSS.MS-PS4-3

(a)   is a characteristic of digital signals.

• Continuous variation
• Discrete values
• Analog modulation
• Variable amplitude

Tags

NGSS.MS-PS4-3

Match the following items with their corresponding digital or analog nature.

• Handheld device for communication and apps

• Analog clock

• Plays music using physical grooves

• Vinyl record player

• Measures temperature

• Thermometer

• Device that uses hands to show time

• Smartphone

Tags

NGSS.MS-PS4-3

(a)   easily degrades over time

• Analog
• Digital

Tags

NGSS.MS-PS4-3