State the type of secondary storage that represents binary data by using laser light to detect microscopic indentations (pits and lands) on a spinning disc.
Practise Edexcel GCSE Computer Science Hardware with exam-style questions for GCSE Computer Science. 97 questions covering Von Neumann architecture and FDE cycle, Secondary storage devices, and Embedded systems, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.