Digital Signals Test Review | Baamboozle - Baamboozle

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Digital/Analog Signals

Study Slideshow

Which signals are more secure and useful for confidential information?

Digital Signals

15

Which signal can easily correct noise or distortion?

Digital Signals

15

Which signal has waves with a step-like appearance?

Digital Signals

15

All waves transfer what?

Energy

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When the sender and receiver agree on what the signal means

Encoding

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The person receiving this message needs to be able to ______ the message

decode

15

What transmits information?

Waves

15

What makes nearly every form of communication possible?

Waves

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When an electromagnetic waves has been encoded, we say the wave has been...

modulated

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The process of varying the properties of a wave in order to encode information is called...

modulation

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Any unwanted change to a signal

Noise

15

True or False: Noise does not only include sound.

True

15

This image is an example of...

Noise interference

15

True or False: When an analog signal is changed because of noise, the information in the signal is also changed.

True

15

True or False: Noise does not have as large an effect on digital signals because they have defined levels.

True

15

Combinations of short (dot) and long (dash) wave pulses that represent letters and numbers

Morse Code

15