vault backup: 2022-07-11 10:01:09

This commit is contained in:
Jet Hughes 2022-07-11 10:01:09 +12:00
parent 6ce665103d
commit aa889d4543
2 changed files with 21 additions and 0 deletions

View File

@ -0,0 +1,20 @@
---
title: "01-bits-and-bytes"
aliases:
tags:
- cosc204
- lecture
---
# What is data
- A facta 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

View File

@ -35,6 +35,7 @@ By completion of this paper students are expected to:
# Lectures # Lectures
# Archive # Archive
# Info # Info