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It is important to take into account each of the concepts in order to understand more easily what they are. computer networks, which today have become a fundamental part for their operation and for their users.
A network It is considered as a structure that has a specific pattern for its funtionability. While a computer is a electronic machine whose mission is to process a large amount of data and that allows the execution of different sequences indicated by its users.
Due to the importance they have currently taken, endless advanced activities can be carried out, here we are going to explain a little more about What are they and what are their functions?
What is a computer network and what is it used for?
Also known as computer network or computer network, is defined as a set of equipment that can be computers or devices that are connected through a series of cables, waves, signals or any other method that allows interaction between two or more computers.
Typically, these types of connections are used for share any type of information and data as they are files, disks, printers, programs, services such as databases, chat, games, emails among many others.
Each of the computers connected through this system is called nodes. Also, like everything communication processit is necessary to have a transmitter, a message and the receiver so that all this can take place.
The main purpose of being able to create this is to allow computers or devices can share resources and information remotely safely and with great data transmission speed with the aim of reducing costs.
computer networks offer different benefits to its users, among which we can mention the following:
Communication
allow a easy communication through different tools such as email, instant messaging, chat applicationsamong other.
Sharing of hardware components
It offers the possibility of making a shared use of the same hardware component Using equipment like printers, scanners, consolesamong others.
Access to information
It allows its users to have a access to more information in an easy and fast way through Internet services.
data exchange
It gives you the possibility to make a exchange of data and information in a safe and fast way. In addition to offering you a excellent speed when sharing information of any kind.
Availability of programs
Offers a availability of programs for any type of network user regardless of their physical location.
History of computer networks: When were they created and how have they evolved?
Before the 1960s there was only one way to communicate and it was the remote access via local phone line. While in the early 1960s some isolated computers, which were for exclusive use and which could be accessed by cable.
Two years later, in 1962, the first working group was created. “Intergalactic Computer Network” in Spanish “The Intergalactic Computer Network”. All this began to represent a precursor to the ARPANET (Advanced Research Projects Agency Network) what was a computer network that was conceived by the Department of Defense of the United States government with the aim of power increase technological advances.
In 1969, the first connection of ARPANET where 4 university institutions in the United States were able to connect to a kbit per second speed. And four years later ARPANET was established as the first connection outside the United States., specifically in Norway.
For the years 1974 what would be the term “Internet” which was created by Vinton Cerf, Yogen Dalal, and Carl Sunshine of Stanford University. two years later John Murphybelonging to Datapoint Corporationconceived him ARCNETas the first system for share storage devices.
For the year 1983, Jon Postel and Paul Mockapetris conceived of what is known as the domain name system (DNS), as well as the extensions .org, .gov and .com. While for the year 1991 Internet opens to the public through the creation of world Wide Webwhich was a very easy to use graphical interface.
Types of computer networks in computing: How many are there and what are they used for?
On many occasions when we want to install a computer network in our team we meet different types of existing networksThis is where we ask ourselves: Which one should I install and what is each one used for?
According to this here we are going to teach you each of the existing types of networks and what each of them means:
- Personal Area Network (PAN): It is mainly used for tight spaces where few devices are handled and the distance between them is not greater than 10 meters. Thus allowing a simple, practical and fast communication.
- WAN network: When we refer to a WAN connection We refer to different LAN connections that are interconnected with each other. By doing this, we are simply getting a WAN connection. It is mainly used by organizations of private use and allows to provide network connections in very wide areas.
- Local Area Network (LAN): Its main function connect a group of computers together within a small geographic areawhere it allows a data and resource sharing between them at high speed and is normally used by companies.
- area network Metropolitan (MAN): In cities there are usually different LAN and WAN networks that interconnect with each other, but there is a single network that allows the integration of different services through data transmission and which is called as MAN. This has the function connect the different LAN networks within a parameter of 50 kilometers.
- Campus Area Network (CAN): This network has been implemented to function in geographical spaces like in industrial areas, university, parks, large spaces belonging to the same place.
What are the basic components to create a network of PC’s?
computer networks They are a set of equipment that interconnect with each other either to share some type of information or data transmission at a high speed with the aim of reducing costs.
However, all this is made up of a series of components such as the following:
- The server: It is the part that handles control the entire operation of the network, as well as run the operating system of it. It also allows users to be able to access resources.
- Cards of red: Also known as network adapterswhich have the function of connecting the different devices to each other so that they can carry out the transfer of data and information from one device to another.
- Workstation: In this case, it is each of the computers that allows users to be able to access network servers. Any computer can become a workstation as long as it is connected and has communication with the network.
- Network node: Refers to any element found connected and with communication to some network.
Hardware