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Continued
On the computer side, i.LINK technology allows up to 63 devices to be
linked together without many of the rules and limitations of competing
technologies such as SCSI. There are no addresses to set on the
devices, no terminator needed at the end of the bus. The SCSI
maximum is 15 devices with only a single host. IEEE 1394 allows
more than one computer system to be connected via i.LINK technology
to the same devices which makes shared peripherals much easier to
connect and use than the current means via networked computers. And
since IEEE 1394 is multiplatform, it does not matter which Operating
System different personal computers are using.
On the audio video side only one cable is required and the cable itself
is bi-directional. No longer is there the need to connect the left audio
out signal of one device to the left audio in signal of another device,
right audio out to right audio in. The same is true for video cabling
which can use up to three cables for component signals. For these
audio video devices if you want to change recording or editing
direction between devices, or change which two of multiple devices
you want to work together, you have to dive into the spaghetti of
cables and reconnect them the other way.
CD-R and CD-RW
CD-R is the term used to denote CD-Recordable media. CD-R discs
are recorded permanently. Once information is written, it cannot be
erased. Data can be added until the disc is full. CD-R media is good
for creating archived information that need not be changed, or for
distribution because the price of CD-R media has dropped rapidly in
the last few years.
CD-RW is the term used to denote CD-ReWritable media. CD-RW
discs can be written to many times. CD-RW media is rated for one
thousand different writes to the media. CD-RW is a perfect medium
for creating reliable backups that can be added to as necessary, and
even rewritten as your backup scheme requires.
While CD-RW media is more expensive than CD-R media it has a
lower cost per megabyte than other competing technologies, such as
Magneto-Optical or even magnetic removable media drives.