Sunday 3 March 2013

3.23 understand the difference between analogue and digital signals



Analogue
The amplitude and/or frequency constantly vary.

the signal is a wavy line that goes up and down in an uneven pattern

Digital
Consists of pulses with two states: on; off
the signal is a continuous line that goes up, down and across in straight lines with no curves
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5 comments:

  1. Unknown23 May 2015 at 07:09

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  2. Unknown23 May 2015 at 07:13

    using your blog for all my revision :D

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  3. Unknown21 December 2015 at 08:51

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  4. Anonymous12 June 2016 at 02:10

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  5. Unknown10 June 2017 at 00:01

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