суббота, 2 июня 2012 г.

Pros and cons of using computer networks


New technology has given us a lot of comfort. We can easily finish any difficult mathematic tasks in a short time. Information technology introduced easy access and communication system. One of them is to use computer networks in a local area, at the same time in global zone. 
Now, let’s discuss about advantages and disadvantages of using computer networks.  First of all, advantages:
  •     The best advantage of networks is to share files. You can use any allowed file from network by sitting in one computer. It saves time, and you are able to update your data in your computer.
  • Sharing peripherals. For example, if five people work in one office, they need five printers, five modem for access to the internet, and five scanners. A computer network on the other hand, gives a cheaper alternative method of sharing resources. It’s much cheaper instead of purchasing five printers and modems.
  •    Users can communicate with each other and transfer data between workstations very easily.
  •   There is a big storage capacity that allows storing a great amount of data. One computer cannot save such huge amount of data.

As it has many beneficial sides of network, we can come across some disadvantages.
  •  Major drawback is security issue. Most state organizations suffer from stealing information by hackers. This can lead to a big losing.
  •  Another drawback is rapid spreading viruses, especially on the internet. These viruses are very dangerous. They can corrupt the huge data.
  • If the main server breaks down, the system is no longer worth to use. So that, main computer should be powerful which requires much more expensive details.
  •  Finally, installing a program is time consuming and demands special technician.

Thus, the network system is so complicated, I advise you to be aware of its pros and cons before installing it in your home or office.  

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