http://www.w3.org/ns/prov#value | - The optical disk controller module 80 comprises the disk drive 81 for reading a program or data from the optical disk of CD-ROM, a decoder 82 for decoding the program and data including additional data such as an error correction code (ECC), and a buffer 83 having a memory capacity of for example 32 Kbytes for temporarily storing data read via the disk drive 81.
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