Analog and Digital Signals Exit Ticket

Which device uses analog signals?

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Which signal can change continuously over time; represented by a continuous smooth curve; can be a range of values?

• analog signals

• digital signals

• wireless signals

• electric signals

CHOOSE THREE ANSWER CHOICES! - Why are digital signals more reliable in transmitting information than analog signals? 

• Can be stored and recored more easily

• Do not break down over time

• Carry more information per second

• They have more interference/"noise" over long distances

The image provided is a _________ signal.

• Analog

• Digital

What is the main difference between analog and digital technology?

• Digital technology reproduces sound more faithfully than analog technology

• Analog technology stores information as sound waves; digital technology stores it as strings of ones and zeroes called binary code

• Analog technology can be used to record sound and images; digital technology can only be used to record sound

• Analog technology is based on binary code; digital technology is based on electromagnets

Why do some people still like analog recordings better than digital?

• Analog equipment takes us less space

• Analog recordings have a “fuller” sound

• Analog recordings can be played louder

• Analog recording are free of "noise"

CHOOSE TWO ANSWER CHOICES! - Why will analog technology probably never be outdated?

• Analog signals are in all sound and light

• People will always need a way to understand the information in digital signals by hearing or seeing it

• Analog technology is outdated and no longer used

• Most modern technology uses analog signals to run