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1.1 System Architecture 1.2 Memory and Storage 1.3 Computer networks 1.4 Network security 1.5 – Systems software 1.6 – Impacts of digital technology2.1 – Algorithms 2.2 – Programming fundamentals 2.3 – Producing robust programs 2.4 – Boolean logic 2.5 – Programming languages and IDEs
A-Level Computer Science (UK)
1.1 Contemporary processors, input, output and storage devices 1.2 Software and software development 1.3 Exchanging data 1.4 Data types, data structures and algorithms 1.5 Legal, moral, cultural and ethical issues2.1 Elements of computational thinking 2.2 Problem solving and programming 2.3 Algorithms
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Rubik’s Cube Challenge
Have you ever wondered how a computer keeps track of all the coloured squares on a Rubik’s Cube? Although the puzzle looks complicated, each face of the cube can actually be stored using a simple 3 × 3 two-dimensional (2D)…
Autonomous Cave Exploration Drone Algorithm
Imagine being tasked with exploring a vast underground cave system where no human has ever been before. Narrow passages, uneven ceilings, jagged rocks and sudden drops make it far too dangerous for people to enter. Instead, scientists use autonomous drones…
Sailing the Seven Seas (Python Challenge)
Long before radios and GPS, sailors relied on teamwork, experience and a good rhythm to keep a ship moving. One tradition that became famous around the world was the sea shanty. These songs were sung by crews as they hoisted…
A* Short Path Algorithm Interactive Task
Finding the shortest route between two places might sound like a simple task, but when a network contains hundreds or even millions of possible paths, computers need an efficient way to decide which route to follow. This is where search…
Dijkstra Short Path Algorithm Interactive Task
Every time you use a sat nav, plan a journey on a map app, or search for the fastest route across a transport network, you are using ideas from graph theory. A road map can be represented as a graph:…
Vector Based Graphics Editor
Not every digital image is stored as a collection of coloured pixels. While photographs and pixel art are usually saved as bitmap images, many logos, icons, maps and illustrations are created using a completely different method called vector graphics. Instead…
Bitmap Image Simulator
Every photo, icon, emoji and piece of pixel art you see on a computer has to be stored digitally. But have you ever wondered how a computer can save an image using nothing more than 1s and 0s? One of…
Sound Sampling Simulator
Have you ever wondered how your computer or smartphone stores music, podcasts or voice recordings? Although sound travels through the air as a continuous (analogue) wave, computers can only store digital data made up of 1s and 0s. So how…
Interactive Trace Table Challenge
Put your programming skills to the test with this interactive Trace Table Challenge! Whether you’re learning to code or preparing for your GCSE Computer Science exams, trace tables are one of the most useful techniques for understanding exactly how an…
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