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Information coding systems key terms
Study Information coding systems with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
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Topic
Information coding systems
Key terms
Character code
A binary representation assigned to a character, including a character that displays as a decimal digit.
Pure binary representation
A binary representation used to store a numerical value rather than a character symbol.
Character coding system
A system that assigns codes to characters so that computer systems can store and process character data.
Unicode
A character coding system introduced to represent a much wider range of characters than ASCII.
Checksum
A value calculated from a block of data and used by comparing the sender's value with a value recalculated by the receiver.
Check digit
An additional digit calculated from the other digits in a number or identifier and used for checking.
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