Character position definition and scope:

A one-character alphabetic code indicates the specific material designation of an electronic resource.  The specific material designation describes the special class of material (usually the class of physical object) to which an item belongs, for example, a magnetic disk.  A fill character ( | ) is used when no attempt has been made to code this position.

Record requirements for National-level records:  Mandatory; for Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

a

Tape cartridge

b

Chip cartridge

c

Computer optical disc cartridge

d

Computer disc, type unspecified  A disc whose type is not specified.

e

Computer disc cartridge, type unspecified  A disc cartridge whose type is not specified.

f

Tape cassette

h

Tape reel

j

Magnetic disk

k

Computer card

m

Magneto-optical disc

o

Optical disc

r

Remote

s

Standalone device

u

Unspecified

z

Other  Specific material designation for which none of the other defined codes is appropriate.

|

No attempt to code

Content designator history:

bChip cartridge  [redescribed, 2016]

dComputer disc, type unspecified  [new, 2009]

eComputer disc cartridge, type unspecified  [new, 2009]

kComputer card  [new, 2009]

sStandalone device  [new, 2016]

To return, select:

007:  Electronic resource

007  Physical Description Fixed Field