☕A cup of ICTea

CA Ch1 - Information System Basics

CA Ch2 - Data Control and Data Organisation

CA Ch3 - Data Representation

1. Unit of Data 2. Number System 3. Unsigned and Signed 4. Character Encoding 5. Barcode and QR Code 6. Multimedia

CB Ch1 - IO Devices

CB Ch2 - Computer Hardware

Sorting Algorithm

3. Unsigned and Signed

Use an interactive visualizer to understand how unsigned integers map to binary bits.

Number of Bits (N)

3

A cup of ICTea — Interactive learning for secondary students.