2. ISP
● ISP stands for Internet
Service Provider.
● ISP is company or
association which
offer us service to
connect with Internet.
3. PDA
● PDA stands for
Personal Digital
Assistant.
● PDA is a small item
which is used to carry
schedule and memo
and ToDo and so on.
4. LAN
● LAN means Local
Area Network.
● The user who
introduces it becomes
a subject,and LAN is
managed.
● The equipment made
by a different vender
can be connected with
LAN,and it can be
communicated
mutually.
5. Function of Router
● Router is access
concentrator.
● Function of router is
receiving and transmitting
IP packets on the network.
● Also router controls routing
information.
● Router is classified by
scale or place that is used
it. Core router, center
router, edge router, remote
router, broadband router
and so on.