Descriptor

Look up descriptor in Wiktionary, the free dictionary.

Descriptor may refer to:

• Data descriptor, a software or hardware structure describing data
• File descriptor, an abstract key for accessing a file
• Molecular descriptor, which helps characterize a chemical compound
• Security descriptor, a Windows data structure containing security information
• Segment descriptor, used for memory addressing in x86 computer architectures
• Short Payment Descriptor, a compact data format for an easy exchange of a payment information using modern electronic channels
• Index term, also known as a "descriptor" in information retrieval

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