Analog and Digital

Which of the following is a device that stores analog information?

• CD

• Cassette tape

• iPod

• USB drive

In this technology the information such as any audio or video is transformed into electric signals?

• Analog

• Digital

• Both

• Neither

Tags

NGSS.MS-PS4-3

Why do some people still like analog better than digital?

• Analog equipment takes us less space

• Analog equipment is cheaper

• Analog recordings have a “fuller” sound

• Analog recordings can be played louder

Tags

NGSS.MS-PS4-3

Digital recordings don’t deteriorate. What does this mean?

• They don’t take up a lot of space

• They have better sound quality than analog recordings

• They can’t be deleted from a CD or hard drive.

• They don’t lose quality over time

Tags

NGSS.MS-PS4-3

What technology takes up much more space to store information?

• Analog

• Digital

• Both

• Neither

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-PS4-1

Match the following types of signals with their reliability.

• Signals that are more reliable

• Neither

• Signals that do not fit either category

• Both

• Signals that are less reliable

• Analog Signals

• Signals that have characteristics of both

• Digital Signals

Tags

NGSS.MS-PS4-3

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

• Handheld device for communication and apps

• Smartphone

• Device that uses hands to show time

• Thermometer

• Plays music using physical grooves

• Analog clock

• Measures temperature

• Vinyl record player

Tags

NGSS.MS-PS4-3

Transmitted via pulses of light or electric signal is (a)  

• Analog

• Digital

Tags

NGSS.MS-PS4-3