Your Mac will recognize that
a device has been attached to it. The first time the device is attached, you may be prompted to
perform some action, or an application such as iPhoto may automatically open; the action, if any,
depends on the type of device you connect.
Choose Between USB and FireWire
Devices you connect to your Mac generally use either USB or FireWire for communications, and
a few offer both types of ports, allowing you to decide which connection best suits your needs.
What??™s the difference between USB and FireWire, besides the obvious differences in the shapes
of the ports? They are both fast connections, to be sure, but they each have their special reasons
for existing. FireWire and USB use two different communication techniques, or topologies,
meaning that FireWire devices have a distinctive way of talking to FireWire devices, and USB
devices talk to other USB items in their own way.
USB
USB connects using a host-client topology, which means it must connect to a computer in order to
communicate with other USB devices. USB comes in two varieties: USB 1.
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