073. OCR A Level (H046-H446) SLR13 – 1.4 Binary positive integers

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About this video

OCR Specification Reference
AS Level 1.4.1b
A Level 1.4.1b

In this video we show you how to represent positive integers in binary with the aid of examples.

Key question:

- How do we represent positive integers in binary?

00:00 Binary positive integers
00:07 Intro
00:12 Living in an analogue world
01:04 What is binary?
01:21 Random-access memory (RAM)
01:42 Hard disk
01:53 Optical disks: DVD-RW
02:04 Solid-state memory
02:14 Bit patterns
04:10 Number bases: Denary (base 10)
06:48 Number bases
07:09 Converting from binary (base 2) to denary (base 10)
09:47 Converting from denary (base 10) to binary (base 2)
12:08 Key question
12:17 Outro

Last updated: 22.06.26

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• SLR 13 – Data types