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How is a cell phone message send differently than a regular telephone message?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Who sent the first sound message over the radio waves?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
How is a fax similar to a telephone?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Who sent the first radio transmission over a long distance?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
How is a telegraph message sent?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Fiber Optics are used to trasmsit these types of signals
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Label the parts of the television:
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Who invented the telegraph?
CRT, Pixel
When the key is pressed it completes an electrical circuit, sending a pulse of electricity along a wire.
Fesseden
Morse
It sends information as electrical signals over the same lines as a telephone.
Marconi
Light
The voice is translated into radio signals then sent to satellites.
Check it!