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digitized signals are a more reliable way to encode and tran

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bobby sullivan

on 5 November 2014

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Transcript of digitized signals are a more reliable way to encode and tran

digitized signals are a more reliable way to encode and transmit information than analog signals.
In this prezi I will show and tell why this statement is true.
digital signals:

digital signals are more discrete
it has 2 values
not as exact as analog, but easier to work with
digital signals are commonly referred to as square waves
digital information cannot be sent directly in the form of 0s and 1s, it must be encoded in the form of a signal with two states, for example:
•two voltage levels with respect to earth
•the difference in voltage between two wires
•the presence/absence of current in a wire
•the presence/absence of light


is the transmittal of digital signals between two or more points in a communications system. The signals can be binary or any other form of discrete-level digital pulses. With digital transmission systems, a physical facility, such as pair of wires, a coaxial cable or an optical fiber cable is required to interconnect the various points within the system.
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