What is the difference between the USB 2.0 and IEEE 1394 bus standards?

Question

Options

• AIEEE 1394 is faster than USB 2.0.
• BIEEE 1394 supports hot swapping.
• CIEEE 1394 is slower than USB 2.0.
• DUSB 2.0 supports Plug and Play feature.

• A
  5% (2)
• B
  3% (1)
• C
  85% (33)
• D
  8% (3)

Explanation

IEEE is a standard that defines the specifications for high speed serial bus. IEEE 1394 is also known as Firewire. Like USB, IEEE 1394 also supports hot swapping and Plug and Play feature. However, an IEEE 1394 bus runs at a speed of 400 Mbps, which is slower than that of a USB 2.0 bus. The IEEE 1394 standard defines two types of connectors, 4-pin and 6-pin. 6-pin connectors are commonly used on PC adapters. 4-pin connectors are used on Macintosh systems. Universal Serial Bus (USB) is a high speed bus standard developed by Compaq, IBM, DEC, Intel, Microsoft, NEC, and Northern Telecom. It provides the Plug and Play capability of Windows to external hardware devices. USB supports hot plugging, which means that a USB device can be installed or removed while the computer is running. A single USB port can be used to connect up to 127 peripheral devices, such as CD-ROM drives, tape drives, keyboards, scanners etc. USB 1.1 has a maximum data transfer rate of 12 Mbps, whereas USB 2.0 has a maximum data transfer rate of 480 Mbps. USB 2.0 is fully backward compatible with USB 1.1.

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