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• Definisikanlahd i il t idari ilustrasiberikut, apa yang dimaksuddengan data analog dan data digital?
• (Sumber : Miller, 2006)
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• Analog Data : information that is represented d d d b ti l i bland reproduced by a continuously variable
level of sound, light, electricity, or other input.
• Digital Data : information that is represented and reproduced by discrete level of sound, light, electricity or some other input.g , y p
• Transmisi Digital dan Analog bukan hanyaberhubungan dengan data yang di kirim antaraberhubungan dengan data yang di kirim antarapoin A dan B, namun lebih dari apakah data ituanalog atau digital.
• Karena data analog dapat disalurkan denganmenggunakan transmisi analog maupun digital
• Dan sebaliknya data digital dapat disalurkandengan menggunakan transmisi digital maupunanalog
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• Digital TransmissionA th d f d t t i i th t tiliA method of data transmission that utilizes discrete changes in electricity or light across a medium to convey data between two or more end points.
• Analog TransmissionUses continuously varying levels of light, sound or electricity across a medium to represent and convey data.
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• Beberapa jenis media transmisi danh b d d t dibhubungannya dengan data yang dibawanya, dapat dikelompokkan menjadi :– Analog transmission of analog data
– Analog transmission of digital data
– Digital transmission of analog datag f g
– Digital transmission of digital data
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• Codec : singkatan dari coder/ decoder
A device that converts analog data into digital data for transmission across a digital transmission medium and also converts the digital data back to analog data for transmission across an analog transmission medium.
The term codec also be used for compressor/ de compressor when referring to removing bits from a data stream.
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