Under the network means two or more computers linked through a network to exchange information and joint management of resources. There are local and global networks. Local network - or LAN (Local Area Network) - as the name implies, combine computers in opredellenom (eg office in a given office). Global networks bring together computers around the world. The most extensive and fastest growing network in the world is the internet.
To date, there are more than 130 million computers and more than 80% of them are united in various information and computing networks of small local area networks in offices to global networks of the type Internet. World trend to combine computers on the network due to a number of important causes, such as speeding up the transfer of information communications, a quick exchange of information between users receive and send messages (fax, E - Mail letters and other things) does not depart from the workplace, the possibility of obtaining any instant information from anywhere in the world, as well as exchange of information between computers of different manufacturers using different software.
VI Marketing,
or how to choose a computer. One of the functions of marketing, as we know, this analysis and market research, in this case, the PC market to purchase a computer. Pc fundamentally different from other office automation equipment is the possibility of upgrading (upgrade'a). Accordingly, the PC must be purchased with the expectation for the future. First of all, consideration should be given to housing: best buy ATX Midi Tower or Big Tower. This system blocks enough to accommodate all necessary and in the present and future components, and have the highest number of connectors (such as LPT, COM 1,2, etc., as well as such as USB, which are absent in multiple system units.) Next, what should draw the attention - the parent card. By choosing to mate. card, you must take into account a range of clock frequency and type of processors supported it. The processor is best to choose from the latest series, but not with the highest frequency (because of the large variations in price). At this time, when there Sales processors Intel Pentium III 600 Mhz, are encouraged to buy Pentium III with a frequency of not less than 400 Mhz. With today's increase in prices can hope that kompeter not «would» modernization through 2-2,5 years.
Another important detail: it is necessary to determine for themselves what the main tasks will be assigned to your kompyutorom (eg office applications, 2D graffik, 3D graffika, games). Depends on the choice of the hard disk, amount of memory in your video and sound cards.
It may be useful, the following tips:
- The standard for PC monitors - 17. Wheat - 0,25.
- If you really need speed, vybtrayte device with an SCSI.
- Buying brand name you pereplachivete for components, buying a PC made by an unknown company with the same components - underpay for the overall coherence, protestirovannost.
You can prevesti are many excellent tips, but mainly keep in mind that you still predetsya replace your PC in 2-3 years.
VI Conclusion
So, in the abstract examined the device PC equipment to expand its functional possibilities, as well as nektorye its functions.
The number of personal computers in the world, and, in particular, Russia is growing rapidly, the PC market - the most promising and lucrative markets, among other computer equipment. In North America and Western Europe, the percentage of households with PCs, close to 30. Without a doubt, these days everyone should study and understand the computer not only in theory but, most important, and practically.