Technical information about an item, such as the presence or absence of certain kinds of codes; or the physical characteristics of a computer file, such as recording densities, parity, blocking factors, mode of access, software programming language, computer requirements, peripheral requirements, trade name or recording systems, number of lines of resolution, and modulation frequency. For sound and videorecordings, information about the trade name or recording system(s) (e.g., VHS), modulation frequency and number of lines of resolution may be included.
[Link to MARC 21 Concise Formats]
|538||##$aData in extended ASCII character set.|
|538||##$aWritten in FORTRAN H with 1.5K source program statements.|
|538||##$aSystem requirements: IBM 360 and 370; 9K bytes of internal memory; OS SVS and OSMVS.|
|538||##$aDisk characteristics: Disk is single sided, double density, soft sectored.|
|538||##$aMode of access: Electronic mail via Internet and BITNET; also available via FTP.|
|538||##$aMode of access: Internet.|