Which has, know the power of the electrical, choose the cable formulas. And explain it
No, but you can buy a TV box, plug in the line computer will be able to watch TV
Need to buy the hardware: not only to buy a router, but also to buy switches or hubs (according to the number of your computer can buy the corresponding number of jacks, such as . . etc.), the time of each computer to the switch to the switch, Long cable, a few. There are two ways to set up a local network is more popular: 1 host dual network card proxy Internet access, take a computer host, host dual NIC, a network card to connect MODEM (external network), a network card to connect switches or hub (network), local area network The computer connected to the switch or hub, to achieve sharing of the Internet, the advantage is relatively stable, not easy to drop, the disadvantage is: host crash or system failure, LAN other computers can not access the Internet. 2 router Internet access. MODEM connected to the router (if your MODEM routing function will not have to buy a router), the router connected to the switch or hub, LAN computer connected to the switch or hub, more suitable for small local area network, landlord can use this approach is relatively simple. In addition, each computer must set the TCP / IP protocol, set the gateway, sub-mask, DNS, IP address (other computer can be set to specify the IP address). Manually set these than do not set the speed faster, huh, huh.
Taobao there are many such lines, just a few dollars, but before you buy, please ask the owner can not use