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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How does a computer work?

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What is a digital computer?

An electronic device which is capable of receiving information (data) in a particular form and of performing a sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals.
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Python challenge

Write a Python program that asks the user to enter three numbers (only), adds up the numbers and displays the answer on the screen.
Add a comment that is your first name and last name and print your code.
Add comments below your code that, explains your program using the input-process-output model.
​Feel free to submit the code via the link at the top