CAMBRIDGE IGCSE Topic 1.1 How and why computers use binary to represent all forms of data


About this video

CAMBRIDGE 0478 & 0984 Specification Reference - Section 1.1 - 1

Don't forget, whenever the orange note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.

00:00 How and why computers use binary to represent all forms of data
00:09 Intro
00:15 Living in an analogue world
01:07 What is binary?
01:24 Random-access memory (RAM)
01:45 Hard disk
01:55 Optical disk
02:07 Solid-state memory
02:17 Logic gates
03:16 Summary
03:48 Outro

Last updated: 13.05.25