Switch - another device, which appeared in our everyday life, making life easier at home, and in the office. What is this device and how to use it? First of all, worth noting, the switch - it's the same, and that the switch, Only in Russian.
Switch - This English-language name of the device, with which you can organize the data transfer from one computer to another home. Anyway, You should know both of these names, because the seller in the near electronics supermarket is not necessarily well versed in this kind of technology and, to hear from you about any switch, simply send you with nothing, while the shelves of his store will break switches from various manufacturers.
How does the switch?
to understand, how the switch, let's imagine two computers - or a computer and a laptop. With each of them we work, each watch home videos, each store photos. How do we transfer a movie or a photo from one device to another? Each of them is equipped with a network card.
even years 10 ago, we would have to look long and inconvenient cable and use it to connect the network cards of each of the computers. But, At first, wire is not convenient, because it spoils the interior of our apartment, we run the risk of tripping over it in the dark or simply passing it, if accidentally stepped. And suddenly we will have another laptop or computer? How we add a third NIC to the previous two? To solve this problem, and was coined by a switch. With this device two or more electronic devices with built-in network interface cards can be interconnected, forming a WLAN.
Switch - the smart device with a built-in table mac-address. Each of the devices on your home network has a certain mac-address. The switch sends the information is not all devices, participating in the network, and targeted - it is on the device, which the data are. The switch receives a signal from one computer to a specific mac-address, where it is necessary to deliver information. Then he find this address in the table, built it. It is there that he will send a data packet. If such mac-address will not appear in the switch table, it will transmit the data to all participants of the local network.
Where applicable switches?
Of course, Switches are used at home - in fact most of us already have in stock a few computers or laptops. Likely, Each family member has their device. For easy photo sharing, movies, or home video between you and the necessary switch. switches are also used in small offices - thanks to them that the documents can be transferred from one employee to another quickly and efficiently.
The switch - a useful and inexpensive thing, necessary for data transmission within the home or small workgroup network. note, that the switch is not able to connect to the Internet. I.e, it only organizes the household appliances with built-in network cards in a single network, where possible to address the exchange of information, but he will not be able to mediate between the ISP and your computer. The switch is not difficult to choose their own, this device will make your life more comfortable.
