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Units of information key terms
Study Units of information with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
Resource type
Topic
Units of information
AqaA LevelComputer ScienceFundamentals of data representation
Key terms
Bit
The fundamental unit of information; it is either 0 or 1.
Byte
A group of 8 bits.
Binary prefix
A prefix for a unit of information that represents a power of 2, such as kibi (Ki) = 2^10 or mebi (Mi) = 2^20.
Decimal prefix
A prefix for a unit of information that represents a power of 10, such as kilo (k) = 10^3 or mega (M) = 10^6.
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