SLR02 – Programming next steps AQA A’Level SLR02 Exception handling AQA A’Level SLR02 Global and local variables AQA A’Level SLR02 Use of stack frames with subroutines AQA A’Level SLR02 Recursion AQA A’Level SLR02 Subroutines, interfaces & parameters Also in this topic... SLR01 – Programming basics SLR04 – Data structures SLR10 – Number systems and bases SLR11 – Binary SLR22 – TCP IP & protocols