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…
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View All QuizzesGCSE Computer Science (UK)
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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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…
CSS Code Builder
Put your knowledge of the main CSS selectors and properties to the test with this interactive CSS Selector & Property Builder! Complete a series of drag-and-drop challenges to demonstrate your skills in styling HTML web pages using CSS. Choose the…
HTML Tag Builder
Put your knowledge of the main HTML tags to the test with this interactive HTML Tag Builder! Complete a series of drag-and-drop challenges to demonstrate your skills in building the HTML code needed to create basic web pages. Practise using…
SQL Query Builder
Put your SQL skills to the test with this interactive SQL Query Builder! In this challenge, you will practise constructing SQL statements by selecting the correct clauses to retrieve or manipulate data stored in database tables. Work your way through…
GCSE Computer Science Definition Builder
Learning the key terminology is an essential part of success in GCSE Computer Science. This interactive Definition Builder challenge helps students revise important keywords by asking them to reconstruct definitions one phrase at a time. Simply drag each definition card…
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