Each computer has its own network card – IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The latter is fixed directly to the device and remains unchanged.
Dynamic is provided by providers: it changes every time you disconnect from the network and connect to it again. Local is designed to connect peripheral devices in one territory (it can be a home network, office or an entire enterprise), as well as to create local networks. Depending on what kind of IP a person is using, you can determine his exact location or the zone from which he goes to the Internet. Continue reading
System unit: internal content
The main component of any computer is the system unit, since it is in it that all the important elements and nodes are located, due to which the PC is able to fully function. The system unit is a metal box (case), “stuffed” with certain contents. In particular, the system contains:
electronic circuits that control the operation of the PC (RAM, or OP, processor, motherboard, device controllers, and so on);
drives on hard and flexible magnetic disks, optical drives;
a power supply unit that converts the AC voltage of the network into a low DC voltage necessary for the operation of electronic circuits and drive motors of drives and so on; Continue reading