The data
line�(data�cable),�and
its role is�to�connect
the device�and
thecomputer,�to
achieve the�purpose
of�data�communication.�Popular
point�said,pathway�tools�is�connected
to the computer�to
transfer�files�bell
pictures�etc..�Now
with�the�development
of the electronics industry�change
rapidly,�the
data line�has
become�an
indispensable�part in
our life.
