23. Pearson Edexcel GCSE (1CP2) Topic 2A Converting between denary and 8-bit binary

About this video

EDEXCEL 1CP2 Specification Reference - Topic 2A: 2.1.1 - 2.1.6

In this video we explain how to convert between the base ten decimal number system that we are familiar with as humans, and the base two binary system that computers use. This explains how computers store unsigned integers.

Don't forget, whenever the blue 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 Converting between denary and 8-bit binary
00:11 Intro
00:16 Denary to binary
00:43 Divide-by-two method
02:32 Binary number line method
04:35 Binary to denary
05:45 Outro

Last updated: 14.07.25

Other videos on this course