What is the difference between firewire and usb

A FireWire port allows you to connect up to 63 devices together. You can use a FireWire hub to attach multiple devices to a single FireWire port. A FireWire hub is a device that plugs in a FireWire port on the system unit and contains multiple FireWire ports in which you plug cables from FireWire devices.

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However, a 2. Both work using the plug-and-play, hot-pluggable technology, meaning you can plug a device into your computer while the computer is on, and the computer will recognized it and start to communicate with it assuming the driver has already been installed.

That means in order to communicate with each other though a USB, two devices also have to be connected to a computer. Meanwhile, a FireWire connection can be completed directly between the two devices without a need for a computer in the middle. That's why USB is used as the standard in most computers' high-speed buses. Still, neither is prohibitively expensive and both allow numerous devices to be connected to computer easily.

Both allow fast transfer of data -- although the speed difference has already been noted above.