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why usb port communication is popular than parallel
port,when serial ports are slower than parallel
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Answer Posted / shweta
In computing, a serial port is a serial communication
physical interface through which information transfers in
or out one bit at a time (contrast parallel port).
Throughout most of the history of personal computers, data
transfer through serial ports connected the computer to
devices such as terminals and various peripherals.
While such interfaces as Ethernet, FireWire, and USB all
send data as a serial stream, the term "serial port"
usually identifies hardware more or less compliant to the
RS-232 standard, intended to interface with a modem or with
a similar communication device.
For many computer peripheral devices the USB interface has
replaced the serial port — as of 2007, most modern
computers are connected to devices through a USB
connection. While nearly every server has a serial port,
many modern low-end workstations and laptops often don't
have one. The serial port is omitted for cost savings, and
is considered to be a legacy port
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