SLR2.2 – Programming techniques OCR GCSE SLR2.2 The use of variables, constants, operators, inputs, outputs and assignments OCR GCSE SLR2.2 The use of the three basic programming constructs OCR GCSE SLR2.2 The use of basic string manipulation OCR GCSE SLR2.2 The use of basic file handling operations OCR GCSE SLR2.2 The use of arrays OCR GCSE SLR2.2 How to use sub programs OCR GCSE SLR2.2 The use of data types and casting OCR GCSE SLR2.2 The common arithmetic operators OCR GCSE SLR2.2 The common Boolean operators OCR GCSE SLR2.2 The use of records to store data OCR GCSE SLR2.2 The use of SQL to search for data Also in this topic... SLR1.1 – Systems architecture SLR1.2 – Memory SLR1.3 – Storage SLR1.4 – Wired and wireless networks SLR1.5 – Network topologies – protocols and layers SLR1.6 – System security SLR1.7 – Systems software SLR1.8 – Ethical – Legal – Cultural and Environmental concerns SLR2.1 – Algorithms SLR2.3 – Producing robust programs SLR2.4 – Computational logic SLR2.5 – Translators and facilities of languages SLR2.6 – Data representation