OCR GCSE Computer Science · J277
Paper 1
Revise: Types of Secondary StorageIt helps to distinguish a storage medium, the material holding the data, from a storage device, the hardware that reads or writes it. A DVD is a medium placed in a DVD drive. In an SSD, the memory chips holding the data are contained within the device.
- Revise: Selecting Suitable Storage
The physical material on which data is stored, such as an optical disc.