1. How Circuit-Switched Digital Networks Works
s1160145 Daisuke Tochigi
s1160147 Satoru Tomioka
s1160169 Taichi Hasegawa
s1160170 Fumiya Hanafusa

2. TCP
TCP is abbreviation of Transmission Control
Protocol.
TCP is one of the protocols that are said the
data link control protocol, and used by the
communication processing of TCP/IP.

3. LAN
LAN is abbreviation of Local Area Network
The type to combine Ethernet with TCP/IP that
is the protcol of the Internet is general now though
LAN of various methods had been used before.

4. ISDN
Abbreviation of Integrated Services Digital Network.
It is the digital line network which packet transmission and
circuit switching data communication digitized to a
switchboard, trunk and member line entirely can use.

5. IP
Abbreviation of Internet Protocol.
It is a protocol transmitting the information in the Internet
and has an important role to become the basics of Internet
part.

6. Modem
Abbreviation of modulator
demodulator.
It is abnormality and communications
equipment regaining its health.