Internet Flashcards
the capability of microcomputer to share
information with other computers
Connectivity
communications system connecting two or
more computers.
Networks
a computer network
used for communication among computer devices
close to one person.
PAN
a computer network
covering a small physical area, like a home, office, or
small group of buildings, such as a school, or an
airport.
LAN
a computer network
made up of an interconnection of local area networks
(LANs) within a limited geographical area.
CAN
a network that
connects two or more local area networks or campus
area networks together but does not extend beyond
the boundaries of the immediate town/city.
MAN
a computer network
that covers a broad area (i.e. any network whose
communications links cross metropolitan, regional, or
national boundaries ).
WAN
The largest and most well-known example of a WAN
Internet
Largest network in the world
Internet
Connects millions of other people and organizations
located throughout the world
Internet
Internet was launched in 1969 when U.S. funded and
developed a national computer network
ARPANET
Use of internet and web
Communication Business Transaction
Education
Entertainment
Searching
Security
Shopping
provide
a path or connection for individuals and businesses to
access the Internet
ISP
provide access through
standard telephone or cable connections. Users can
access the internet from almost anywhere within the
country for a standard fee
NSP
do not use telephone or
cable lines. They provide Internet connections for
computers with wireless modems and a wide array of
wireless devices
WSP
Programs that provide access to Web resources
Browsers
Allows the user to explore, or to surf, the Web by
easily moving from one website to another
Browsers
location or address of the resources in the internet
URL
rules for exchanging data between
computers
Protocols
name of the server the resource is
located
Domain name
identifies the type of
organization
Top level domain
programming
language used in creating webpages and websites
Html
links that connect to other documents
containing related information-text files, graphic
images, audio and video clips
Hyperlinks
widely used to add interest and activity to a
Web site by presenting animation, displaying graphics,
providing interactive games, and much more.
Applets
the suite of communications protocols used
to connect hosts on the Internet
Internet Protocol
a piece of computer hardware
designed to allow computers to communicate over a
computer network. It provides physical access to a
networking medium and often provides a low-level
addressing system through the use of MAC addresses
Network interface cards
an electronic device that receives a signal
and retransmits it at a higher power level, or to the
other side of an obstruction, so that the signal can
cover longer distances without degradation.
Repeaters
networking devices that forward data
packets between networks using headers and
forwarding tables to determine the best path to
forward the packets. Routers work at the network
layer.
Routers
When a packet arrives at
one port, it is copied unmodified to all ports of the
hub for transmission. The destination address in the
frame is not changed to a broadcast address.
Hubs
