SLR1.2 – Memory and storage OCR GCSE (J277) SLR 1.2 The need for primary storage OCR GCSE (J277) SLR 1.2 RAM & ROM OCR GCSE (J277) SLR 1.2 Virtual memory OCR GCSE (J277) SLR 1.2 The need for secondary storage OCR GCSE (J277) SLR 1.2 Common types of storage OCR GCSE (J277) SLR 1.2 Suitable storage devices & storage media OCR GCSE (J277) SLR 1.2 The units of data storage OCR GCSE (J277) SLR 1.2 How data needs to be converted into binary to be processed by a computer OCR GCSE (J277) SLR 1.2 Data capacity and calculation of data capacity requirements OCR GCSE (J277) SLR 1.2 Converting between denary and 8 bit binary OCR GCSE (J277) SLR 1.2 Adding two 8 bit binary integers OCR GCSE (J277) SLR 1.2 Converting between denary and 2 digit hexadecimal OCR GCSE (J277) SLR 1.2 Binary shifts OCR GCSE (J277) SLR 1.2 Representing characters and character sets OCR GCSE (J277) SLR 1.2 Representing images OCR GCSE (J277) SLR 1.2 Representing sound OCR GCSE (J277) SLR 1.2 Compression Also in this topic... SLR1.3 – Computer networks, connections and protocols SLR1.5 – Systems software SLR1.6 – Ethical, legal, cultural and environmental concerns SLR2.1 – Algorithms SLR2.4 – Boolean logic