SLR18 – Input & output devices AQA A’Level SLR18 Input and output devices AQA A’Level SLR18 Magnetic, optical and flash storage AQA A’Level SLR18 Comparing capacity and speed of storage media Also in this topic... SLR06 – Abstraction and automation SLR14 – Hardware & software SLR16 – Logic gates & boolean algebra SLR19 – Moral, social, legal, cultural issues SLR22 – TCP IP & protocols