074. OCR A Level (H046-H446) SLR13 – 1.4 Sign and magnitude

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About this video

OCR Specification Reference
AS Level 1.4.1c
A Level 1.4.1c

Binary needs to be able to represent negative as well as positive numbers, in this video we take a look at one method of doing this known as Sign and Magnitude.

Key question:

- How do we represent negative numbers in binary using the sign and magnitude method?

00:00 Sign and magnitude
00:09 Intro
00:14 Representing negative numbers in binary
01:24 Sign and magnitude
02:57 Key question
03:10 Outro

Last updated: 22.06.26

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• SLR 13 – Data types