From 545dc94c0377640555982225a858bc0dcea63951 Mon Sep 17 00:00:00 2001 From: Nick Leeman Date: Wed, 3 Nov 2021 22:11:46 +0100 Subject: [PATCH] Vault sync: 2021-11-03 22:11:46 --- School/Analyse/Layers/1. Physical Layer.md | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/School/Analyse/Layers/1. Physical Layer.md b/School/Analyse/Layers/1. Physical Layer.md index f9d2532..99ec030 100644 --- a/School/Analyse/Layers/1. Physical Layer.md +++ b/School/Analyse/Layers/1. Physical Layer.md @@ -52,6 +52,7 @@ Phase specifies the location or timing of a point within a wave cycle of a repet ## Analog **Analog Signals** can have a infinite number of possible values in a range. + For example: 0.0 <-> 1.0 - 0.1436367436473...... - 0.54454764654765...... @@ -59,7 +60,19 @@ For example: 0.0 <-> 1.0 **Analog data** is continuous and have continuous values. Values in analog data are always changing. -A good analogy for analog data is like a physical clock with +A good analogy for analog data is like a physical (analogue) clock with hands. +The hands on a clock like that are always moving (continuous) and do not have a specific value. ## Digital +Digital data is information represented as a string of discrete symbols each of which can take on one of only a finite number of values from some alphabet, such as letters or digits. + +For example: +- a +- b +- 1 +- 0 + +These values are specific and are not changing. + +