That Blue Square Thing

AQA Computer Science GCSE

July 2019: the AQA CompSci area is almost complete. Most of the content for units 3-6 is now up and there's quite a lot of Unit 7 material. There's still some work to do, particularly on Paper 1 units, but it's getting there.

Boolean Logic

Boolean Logic is just using Boolean expressions to work out True and False statements. The problem is that it can become a bit tricky.

PDF iconBoolean Logic Basics - slides I use in class

PDF iconBoolean Logic - an introduction to the ideas behind Boolean logic and how it might be used

PDF iconBoolean Logic and Truth Tables - the use of compound Boolean expressions complicates things

PDF iconQuestions on Boolean expressions

PDF iconMore questions on Boolean expressions

Then there are logic circuit symbols, which make questions a bit more complex but aren't actually all that hard. Once you've had a go and figured out how it works.

PDF iconLogic Symbols - slides I use in class