SLR 23 – Programming Techniques (AS & A’Level) OCR A’LEVEL SLR23 Programming constructs OCR A’LEVEL SLR23 Global and local variables OCR A’LEVEL SLR23 Functions and procedures OCR A’LEVEL SLR23 IDEs OCR A’LEVEL SLR23 Recursion OCR A’LEVEL SLR23 Object orientated techniques Also in this topic... SLR02 – Types of processor (AS & A’Level) SLR04 – Operating systems – Systems software (AS & A’Level) SLR06 – Software development (AS & A’Level) SLR07 – Types of programming language (A’Level Only) SLR 26 – Algorithms (A’Level Only)