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OCR A-Level Computer Science
Devices and Storage

OCR · A-Level Computer Science

Devices and Storage

3Topics

1.8hStudy time

In this section

3 topics

Barcode Readers, Cameras, Laser Printers and RFID

Explain the operation of the four required device types

Magnetic, Optical and Solid-State Storage

Explain magnetic, optical and flash storage principles

RAM, ROM and Virtual Storage

Compare RAM and ROM by purpose and persistence

Work through each topic to complete the section.