Computer networks are defined as two computers or a set of devices connected by conductive wires or cables, and can also be wirelessly connected to exchange data and files among themselves. And of course why the networks are made up of computers. As they include all kinds of devices that can connect to the computer such as printers, phones, and surveillance cameras as well.

The networks remain classified by the way their devices remain connected to each other. So they are called wired networks when their devices remain related to each other through cables, called wireless networks when devices within the network are connected wirelessly, i.e., without the use of standard lines such as scheduled copper cables, fiber optics. And other cables used to connect devices in the world of networks.

Network Division

networks have made the world look like a small village, and imply now used almost everywhere, such as hospitals, factories, schools, companies, and universities, and vary in types and divisions according to the geographical area they cover, as well as the number of devices they contain; Wide Area Network is a network that covers an extensive geographical location, and one of the most important examples is the Global Internet, which usually covers entire countries or continents, characterized by a considerable number of devices and complex design.

Local Area Network

The simplest type of network is present in every home with a personal computer or office connected to the Internet; Metropolitan Area Network: A network that covers an entire city, is more significant than a home or local network and smaller than a large-scale network, i.e., an average solution for networks with the medium-range geographical area. Personal Area Network: This network consists of personal devices such as a computer and printer within a single office range and remains used by only one person.

Network Forms

network formats vary depending on the purpose of their use; each use of a particular type of network covers the functions and tasks required of the web, and the forms of network design vary in terms of price, several devices, efficiency and performance, and network forms are


This form derives its design from its name so that the network remains designed in the form of a star so that each device in the network remains directly connected to the main device of the network. And this primary device is responsible for the web. And the method and path of data transfer between devices, but the disadvantage of this form is that if the primary device stops or has a malfunction. The whole network will stop.

Mesh is the best web form in terms of performance, speed, and efficiency. Still, it is costly due to the large number of cables used in it. And in the network format, each device within the network remains directly connected to all other devices. Business is the oldest type of network, in which the mainline connects devices. And no more than two devices remain allowed to exchange data at the same time. Or there will be a collision of data that may lead to destruction or loss.


It is also a well-known type of network. Each device in the network remains directly connected to the device that accepted it and after a closed circuit. The data transmission line in this type is in only one direction.

Benefits of computer networks there are no determinants to limit the benefits of computer networks to one, two paragraphs, or even comprehensive research because their benefits are innumerable because they have saved many time, effort, money.

And solutions to make large distances look very small. And have saved a lot of money when they have given a solution to make many users print their papers on the same printer. For example, or have made more than 1,000 users read the same file at the same time without having to transfer it to all their devices, saving many of their devices.

Time, Effort, and Money

The main objective of computer networks is to connect different devices. For example,

The printer in a company remains connected to all the devices in the network used. Saving a lot of money because the networks remain distributed and deployed sources with all other devices.

Networks have also saved time and effort in transferring data from one device to another.

A file remains sent over the web that other devices can access over the network. Computer networks have created a new concept in the computer world: evidence rules. Which helps save extensive data in one place and allows users to access it in certain conditions.

Computer networks have made it possible to connect computers to the internet so that the whole world can use them. And browse their sites regardless of the geographical dimension. It has become non-existent in the light of the proliferation of computer networks.

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