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2nd Indicator  Undefined
blank character 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.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank.

blank character

Undefined

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

blank character Undefined

Subfields

  
ǂa Make and model of machine

The make and model of the machine on which the computer file operates.

753     IBM PC
ǂb Programming language

The name of the programming language associated with the data comprising the computer (e.g., Pascal).

753     Compaq ǂb Basic ǂc DOS 3.2
ǂc Operating system

The name of the operating system.

753     Apple II ǂc DOS 3.3
ǂ0 Authority record control number or standard number

For information about subfield ǂ0, see Control Subfields.
ǂ1 Real World Object URI

For information about subfield ǂ1, see Control Subfields.
ǂ2 Source

Identification of the source of terms when they are from a controlled list.

753     Nintendo Game Boy Advance ǂ2 gcipplatform
753     Apple Mac OS X 10.9 ǂ2 gcipplatform
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.
ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

Indexing

For indexing and searching information, see Searching WorldCat Indexes, field 753.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 753.

This page last updated: 2024-03-13 · Report an error in WorldCat · Submit a suggestion for this page · Get help with general cataloging questions