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Year 9 Computing - Coggle Diagram
Year 9 Computing
Networking
Hardware
Router
Ethernet Cable
Ethernet
Server
Hub
Client
World Wide Web
Browser
Software
Search Engine
Internet
Infrastructure that connects computers together
Protocols
HTTP
HTTPS
Rules to tell computers how to talk to each other
Data Representation
Binary Conversion
128 64 32 16 8 4 2 1
Compare the value, if it will fit turn in on (1)
Calculating picture file sizes
Colour depth-The number of bits needed to store a value
Need to know the width, height, and colour depth
Calculating text file sizes
Number of characters * by the bits per character
Character Set
A group of values that represent numbers
ASCII-Uses 8 bits per character
Python
Selection Statements
Using IF, ELIF, and ELSE
Routes through a program
Output
Print statement syntax
Input
Declare Variables
Assignment Operator
Using Variables
Correct Syntaxt
Media Editing
Tools
Fade Out
Blade
Fade In
Transitions
Crossfade
Jump Cut
Wipe
Why do we edit?
So that the bits that aren’t needed/wanted get cut out
Environmental Impacts
Postitives
More efficient use of fuel in cars
Predicting weather changes
Using data to start work on predicting natural disasters
More efficient modelling of data
Negatives
Unethical recycling e.g. the burner boys in Ghana
Large use of power which produces carbon dioxide
Large water usage for cooling data centres
Extraction of raw and rare materials