Optical Fibers
Clear cables through which light waves are sent?
Optical Fibers
Data must be ________ before being converted and sent as a light wave?
Encoded
The A in AM radio waves stands for ________ modulation?
Amplitude
The clock above my desk is an example of a(n) ______ signal?
Analog
Name for tiny picture elements?
Pixles
Name of the process of sending light waves?
Fiber Optics
Data must be _________ before being read by the end user?
Decoded
The F in FM radio stands for _____ modulation?
Frequency
The clock on your cell phone is an example of a _______ signal?
Digital
Term to define how much detail is shown in a digital image?
Resolution
When light refracts so much that it does not leave the medium?
Total Internal Reflection
Older form of coding and decoding data?
Morse Code
The process of converting sound waves into radio waves?
Modulation
A ________ wave is a smooth and continuos wave.
Analog
When a digital image increases in resolution, how does it affect the image?
It get smoother edges
Why is it important to maintain total internal reflection when sending light waves through an optical fiber?
So the signal does not get lost
In fiber optics, data is encoded and sent as patterns of ________?
Light
The process of converting radio waves back into sound waves?
Demodulation
A ______ wave consists of sharp edges?
Digital
What are 3 advantages of digital waves?
Better resolution
Less noise
Stored, copied, and transmitted more reliably
More sound and video choices
How could an engineer get around bending a cable around a corner?
They could go through a wall or a floor
Name at least one constraint of fiber optic communication?
Bandwith, expense, cable break easily
An electromagnetic wave with a consistent amplitude and frequency that helps send sound waves?
Carrier Wave
-5, 5, 15, 25, 35, 25, 15, 5, -5
What is amplitude and frequency of this wave?
Amplitude is 35dB, frequency is 10 Hz
What numbers are used in the binary coding process?
1's and 0's