Applied Science ADSL,UP-LINK, DOWN LINK AND PCM

A useful set of revision cards for A2 applied Science students revising for the January Working Waves Exam.
Definitions adapted from other sources, I cannot gaurantee that this information is 100% confirmed

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Pulse Code Modulation
Pulse code modulation is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and DVD formats
1 of 5
PCM Stream
A digitial representation of an anolog signal, in which the magnitude of the analog signal is sampled regualrly at uniform intervals.
2 of 5
ADSL
Asymmetric Digital Subscriber Line
3 of 5
www
World wide web
4 of 5
DL
Down-link
5 of 5

Other cards in this set

Card 2

Front

A digitial representation of an anolog signal, in which the magnitude of the analog signal is sampled regualrly at uniform intervals.

Back

PCM Stream

Card 3

Front

Asymmetric Digital Subscriber Line

Back

Preview of the back of card 3

Card 4

Front

World wide web

Back

Preview of the back of card 4

Card 5

Front

Down-link

Back

Preview of the back of card 5

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