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Digital Data Communications Techniques

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Digital Data Communications Techniques presentation is about data, three components of data communication, data transmissions, digital coding, advantages of digital transmission, the use of analog transmission, analog encoding of digital data, modem, data compression, digital transmission of analog data, codec vs modem, asynchronous and synchronous transmission and digital interfaces.

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Digital Data Communications
Techniques

1

, Data
Analog data
Voice
Images
Digital data
Text
Digitized voice or images

2

, Three Components of Data
Communication
 Data
 Analog: Continuous value data (sound, light,
temperature)
 Digital: Discrete value (text, integers, symbols)
 Signal
 Analog: Continuously varying electromagnetic wave
 Digital: Series of voltage pulses (square wave)
 Transmission
 Analog: Works the same for analog or digital signals
 Digital: Used only with digital signals

3

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Course: IT for Communication

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Uploaded on: April 15, 2022
Number of pages: 16
Written in: 2013/2014
Type: PRESENTATION
Person: Unknown

Subjects

data
data transmissions
digital coding
analog encoding o
digital data communications techniques
three components of data communication
advantages of digital transmission
the use of analog transmission

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