Code 135 - Coded Data Field: Computer Files (Provisional) (R)
Indicators: blank
Subfield codes $a Coded Data for Computer Files (Not repeatable) $a/0 Type of computer file
a = numeric b = computer program(s) c = representational d = text u = unknown v = combination z = other
$a/1 Special Material Designation
a = cartridge magnetic tape b = computer chip in cartridge c = computer optical disc cartridge f = computer magnetic cassette tape h = magnetic tape for main-frame computers j = computer floppy disk m = computer magneto-optical disk o = computer optical disk r = online systems u = unknown z = other
$a/2 Colour
a = One colour b = Black-and-white c = Multicoloured g = Grey scale m = Mixed n = Not applicable u = Unknown z = Other
$a/3 Dimensions
a = 31/2 in e = 12 in g = 43/4 in or 12 cm i = 1 1/8 x 2 3/8 in j = 3 7/8 x 21/2 in n = Not applicable o = 51/4 in u = Unknown v = 8 in. z = Other
$a/4 Sound
# = No sound (silent) a = Sound on medium u = Unknown
$a/5-7 Image Bit Depth
001-999 = Exact bit depth mmm = Multiple (more than one image type) nnn = Not applicable --- = Unknown
$a/8 Number of File Formats
a = One file format m = Multiple file formats u = Unknown
$a/9 Quality Assurance Target(s)
a = Absent n = Not applicable p = Present u = Unknown
$a/10 Antecedent/Source
a = File reproduced from original b = File reproduced from microform c = File reproduced from electronic resource d = File reproduced from an intermediate source other than microform m = Mixed n = Not applicable u = Unknown
$a/11 Level of Compression
a = Uncompressed b = Lossless d = Lossy m = Mixed u = Unknown
$a/12 Reformatting Quality
a = Access n = Not applicable p = Preservation r = Replacement u = Unknown