076. OCR A Level (H046-H446) SLR13 – 1.4 Binary addition and subtraction

About this video

OCR Specification Reference
AS Level 1.4.1d
A Level 1.4.1d

In this video we take a look at how to add together and subtract binary numbers by working through some examples.

Key question:

- How do you perform addition and subtraction on positive and negative two's complement binary integers?

00:00 Binary addition and subtraction
00:06 Intro
00:11 The rules of binary addition
01:10 Addition with two 8-bit binary integers
05:54 Addition with three 8-bit binary integers
07:44 Subtraction with two 8-bit binary integers
09:44 Key question
09:56 Outro

Last updated: 01.07.26

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