007 PHYSICAL DESCRIPTION FIXED FIELD (R) 007 --COMPUTER FILE00 Category of materialc Computer file01 Specific material designationa Tape cartridge b Chip cartridge c Computer optical disc cartridge f Tape cassette h Tape reel j Magnetic disc m Magneto-optical disc o Optical disc r Remote u Unknown z Other02 Undefined (Original versus reproduction Obsolete) 03 Colora One color c Multicolored g Grey scale m Mixed n Not applicable u Unknown z Other04 Dimensionsa 3 1/2 in. e 12 in. g 4 3/4 in. or 12 cm. i 1 1/8 x 2 3/8 in. j 3 7/8 x 2 1/2 in. n Not applicable o 5 1/4 in. u Unknown v 8 in. z Other05 Sound# No sound (silent) a Sound on medium u Unknown