101. OCR A Level (H046-H446) SLR15 – 1.4 Karnaugh maps part 4


About this video

OCR Specification Reference
AS Level 1.4.3b
A Level 1.4.3b

In the final video in a four part series, this video considers four-input Karnaugh maps and discusses the rules for binary headings for the variables in the map, how to draw boxes representing sub-expressions on the map and an approach to use those boxes to determine a simplified expression.

Key question:

- How can Karnaugh maps be used to simplify Boolean expressions?

00:00 Karnaugh maps - Part 4
00:08 Intro
00:13 A note about this video
00:25 Using a Karnaugh map to simplify Boolean expressions with four variables - Expression 1
02:56 Expression 2
07:32 Key question
07:43 Boolean Algebra cheat sheet
08:37 Outro

Last updated: 22.07.26