SLR1.2 – Memory OCR GCSE SLR1.2 RAM and ROM OCR GCSE SLR1.2 The need for Virtual Memory OCR GCSE SLR1.2 Flash Memory Also in this topic... SLR1.1 – Systems architecture SLR1.3 – Storage SLR1.7 – Systems software SLR1.8 – Ethical – Legal – Cultural and Environmental concerns SLR2.3 – Producing robust programs