Edexcel curriculum (2015)

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Python

Binary/Hex

Data representation

Compression

Encryption

What is a computer?

Working computer

Hardware

Operating system

Computer processes

The CPU

Memory

Input devices

Output devices

Data storage

Inside the CPU

Stored program

F-D-E cycle

CPU components

Networks

LAN, WAN and PAN

Network topologies

Network addressing

Protocols

Error detection

The internet

The world wide web

HTML and CSS

Client-server model

VPNs

SQL

Impact

Ethical issues

Microcontrollers

Comp models

Emerging trends

Virtual machines

Models and sims

Algorithms

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Data representation

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Sound worksheet HERE