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Packet |
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A chunk of data. The TCP/IP protocol
breaks large data files into smaller
"packets" for transmission over the
Internet. When the data reaches its
destination, the protocol makes sure
that all packets arrived without
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Packet Switching
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A method of moving data around the
Internet that allows many people to
use the same lines at the same time.
In packet switching, all data being
transferred from a machine is broken
into packets, with each packet
having the address of its origin and
destination. This enables packets
from different sources to be
simultaneously transferred, sorted
and directed on the same line. |
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Password |
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A code used to gain access to a
locked system. Effective passwords
should contain both letters and
non-letters and not be common or
easily guessed words. |
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Ping |
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A program for determining if
another computer is
presently connected to the
Internet. |
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Pixel |
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Shorthand for "picture
element", a pixel is the
smallest unit of resolution
on a monitor. It is commonly
used as a unit of
measurement. |
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PKZip |
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A widely available shareware
utility that allows users to
compress and decompress data
files. |
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Plug-in |
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A small piece of
software that adds
features to a larger
software application.
Common plug-ins are
those for web browsers
(RealAudio, QuickTime,
etc.) or graphics
programs (Kai's Power
Tools, DigiMarc, etc.) |
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