Modem Card
modems
A modem. However, there is a card that can connect computers trough telephone or cable television lines, too.
An internet cable (Ethernet).
bus topography
A cross-over cable.
A network via cable or telephone connection.
1) You purchase the cable 2) You plug it into the network adapter (network card). If the cable directly connects two computers, you need a crossover cable; if the computers are connected via a switch (this lets you connect more than two computers), you need a straight cable. Make sure to measure how much cable you need, and to purchase some extra length, to let you move the computers around freely.
if you are allowed to Telecom network is a Telephone and Cable TV Network and computer network involves computers. What did you do
No. DSL connections are through existing telephone lines (provided they are close enough to the telephone station). Cable modems require the type of wire used by cable television signals.
Modem card
If you are talking about a coaxial wire. It has a much larger diameter for the main conductor. This creates less signal loss so long runs will have more decibels at the end of the run.
Buy a new cable...