Quiz on Modulation and Data Transmission

What is amplitude modulation (AM)?

• The process of changing the frequency of a carrier wave

• The process of changing the amplitude of a carrier wave

• The process of decoding information

• The transmission of information through optical fibers

What type of data is described as smooth and continuous?

• Digital

• Binary

• Analog

• Pixel

Which number system uses only two symbols (0 and 1)?

• Decimal

• Hexadecimal

• Binary

• Octal

What is a carrier wave?

• A wave that transmits light over long distances

• A wave whose amplitude or frequency is modulated to transmit information

• A wave that is smooth and continuous

• A wave that is used in digital data

Tags

NGSS.HS-PS4-5

What is demodulation?

• The process of changing the frequency of a carrier wave

• The process of decoding the information transmitted by a modulated carrier wave

• The transmission of information through optical fibers

• The clarity of detail in an image

Tags

NGSS.HS-PS4-5

How is digital data expressed?

• As smooth and continuous data

• As single digits, usually 0 and 1

• As a series of pixels

• As a frequency-modulated wave

Tags

NGSS.HS-PS4-2

What is fiber optics?

• The process of changing the amplitude of a carrier wave

• The transmission of information through optical fibers

• The clarity of detail in an image

• The process of decoding information

Tags

NGSS.HS-PS4-2

NGSS.HS-PS4-3

NGSS.HS-PS4-5

What is frequency modulation (FM)?

• The process of changing the amplitude of a carrier wave

• The process of changing the frequency of a carrier wave

• The process of decoding information

• The transmission of information through optical fibers

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

What is modulation?

• The process of changing the amplitude or frequency of a carrier wave

• The process of decoding information

• The transmission of information through optical fibers

• The clarity of detail in an image

Tags

NGSS.HS-PS4-5

What is an optical fiber?

• A fiber that transmits light over long distances by total internal reflection

• A fiber that changes the frequency of a carrier wave

• A fiber that is used in digital data

• A fiber that is smooth and continuous

Tags

NGSS.HS-PS4-5