Contents   Fixed field   0xx   1xx   2xx   3xx   4xx   5xx   6xx   7xx   8xx   9xx

753  System Details Access to Computer Files (R)

       

Input Standards

Optional/Optional
1st Indicator  Undefined
blank character  Undefined
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards 
‡a Make and model of machine (NR) Required if applicable/Required if applicable
‡b Programming language (NR) Required if applicable/Required if applicable
‡c Operating system (NR) Required if applicable/Required if applicable




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 ).
 
blank character Undefined 

2nd Indicator

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

Subfields

 
‡a Make and model of machine   The make and model of the machine on which the computer file operates.
753     IBM PC
‡b Programming language   The name of the programming language associated with the data comprising the computer (e.g., Pascal).
753     Compaq ‡b Basic ‡c DOS 3.2
‡c Operating system   The name of the operating system.
753     Apple II ‡c DOS 3.3

Printing

Field 753 prints as a heading and a tracing. It prints in uppercase and lowercase as entered or as determined by your profile for 7xx fields. The print program supplies a dash (--) between data in each subfield and a period at the end of the added entry or tracing, unless final punctuation (. ! ?) is present. The heading sorts into the same receiving catalog as field 710 (Added Entry–Corporate Name). Multiple tracings print in order of appearance in the record.
 
753     IBM PC ‡c DOS 3.3.
Prints as a heading: 
IBM PC--DOS 3.3.
Prints as a tracing (with appropriate Roman numeral): 
IV. IBM PC--DOS 3.3.

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