Data Representation
Binary, hexadecimal, images, sound, data storage and compression.
Learn with confidence. Sail with purpose.
Making Computer Science Simple.
Explore each topic in order, or jump straight to the area you need. Every short, focused lesson builds understanding first and confidence next.
Start at Topic 1 or continue from where you left off.
Binary, hexadecimal, images, sound, data storage and compression.
Packets, switching, transmission methods, error checking and encryption.
CPU operation, memory, storage, sensors, actuators and network hardware.
Software types, operating systems, interrupts, translators and IDEs.
The web, browsers, digital currency and practical cyber security.
Automation, robotics, robots in context and artificial intelligence.
Computational thinking, algorithms, testing, trace tables and searching.
Variables, selection, iteration, strings, arrays and file handling.
Database structure and essential SQL query skills.
Logic gates, truth tables, expressions and problem statements.
Plan full solutions, identify IPO stages and think like a programmer.
Familiar layouts remove unnecessary barriers, allowing students and teachers to focus entirely on the new idea being learned.