753 System Details Access to Computer Files (R)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| Optional/Optional | ||
| 1st Indicator Undefined | ||
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Undefined | |
| 2nd Indicator Undefined | ||
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Undefined | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Make and model of machine (NR) | Required if applicable/Required if applicable |
| ǂb | Programming language (NR) | Required if applicable/Required if applicable |
| ǂc | Operating system (NR) | Required if applicable/Required if applicable |
| ǂ0 | Authority record control number or standard number (R) | Optional/Optional |
| ǂ1 | Real World Object URI (R) | Optional/Optional |
| ǂ2 | Source (NR) | Required if applicable/Required if applicable |
| ǂ6 | Linkage (NR) | System supplied/System supplied |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
The type of machine, programming language, and/or operating system used with computer files and accompanying material. Use field 753 to provide access to the bibliographic record which would otherwise not be possible and to facilitate the capability of selecting and arranging records for production of printed indexes. |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
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Subfields |
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| ǂa Make and model of machine | The make and model of the machine on which the computer file operates.
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| ǂb Programming language | The name of the programming language associated with the data comprising the computer (e.g., Pascal).
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| ǂc Operating system | The name of the operating system.
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| ǂ0 Authority record control number or standard number | For information about subfield ǂ0, see Control Subfields. |
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| ǂ1 Real World Object URI | For information about subfield ǂ1, see Control Subfields. |
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| ǂ2 Source | Identification of the source of terms when they are from a controlled list.
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| ǂ6 Linkage | Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
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| ǂ8 Field link and sequence number | For information about subfield ǂ8, see Control Subfields. |
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Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 753. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 753. |