From aa889d4543b3fdd0de71e4aab5d9ed2aed960999 Mon Sep 17 00:00:00 2001 From: Jet Hughes Date: Mon, 11 Jul 2022 10:01:09 +1200 Subject: [PATCH] vault backup: 2022-07-11 10:01:09 --- content/notes/01-bits-and-bytes.md | 20 ++++++++++++++++++++ content/notes/cosc-204.md | 1 + 2 files changed, 21 insertions(+) create mode 100644 content/notes/01-bits-and-bytes.md diff --git a/content/notes/01-bits-and-bytes.md b/content/notes/01-bits-and-bytes.md new file mode 100644 index 000000000..37444c840 --- /dev/null +++ b/content/notes/01-bits-and-bytes.md @@ -0,0 +1,20 @@ +--- +title: "01-bits-and-bytes" +aliases: +tags: +- cosc204 +- lecture +--- + +# What is data +- A fact — a piece of information + - corresponds to discreete facts about phenomena from which we gain information abou the world +- The concept of a *value* is fundamental to data + - e.g., 25, $356.00, April, "this is a sentence", colours etc +- Vaues are abstract, they are interpretations of data + - There are many way of storing the same data + - e.g., 12, twelve, XII, 1100, · ··, ·----··--- + +# How computers represent data +- In Binary +- Stored in one of two states, true/false, 1/0, on/off, voltage/no voltage diff --git a/content/notes/cosc-204.md b/content/notes/cosc-204.md index 5c238b713..42c676d4a 100644 --- a/content/notes/cosc-204.md +++ b/content/notes/cosc-204.md @@ -35,6 +35,7 @@ By completion of this paper students are expected to: # Lectures + # Archive # Info