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External hardware devices key terms
Study External hardware devices with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
Resource type
Topic
External hardware devices
AqaA LevelComputer ScienceFundamentals of computer organisation and
Key terms
RFID
Radio-frequency identification, a method of identifying objects using radio communication between a reader and a tag.
Toner
The material used by a laser printer to form printed text and images on paper.
Latency
The delay before a storage device begins to provide access to requested data; an SSD has lower latency than a magnetic disk drive.
Block
A unit of SSD storage made up of many pages; the whole block must be erased when a page within it needs to be erased.
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