A group of computers (or computers) joined together for the purpose of transferring information between two or more computers is known as computer networking. Nodes are the collective term for the computers (or computing devices) that make up a network. Wireless or wired connections can be made between two or more nodes.
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What is a Computer Network?
The connection between two or more computing devices utilising a media is what is known as a computer network. Here, the medium facilitates information sharing among these connected devices. Printers, routers, DVD players, and other pertinent devices can all be connected to these devices, regardless of whether they are personal PCs, servers, mainframes, or other computer equipment.
The use of networking mediums like bridges, cables, routers, and satellites makes these networking activities possible. One well-known example of a networking medium that connects numerous devices is the internet. Devices can transfer data or information most easily thanks to it.
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These connected devices are now essential since they make it possible to access emails and share all the resources required. However, these computer networking systems offer a number of other advantages in addition to the ability to share data.
Features of Computer Networks
Performance
Response time is a common metric used to assess computer network performance. Sending and receiving data from one node to another should have a quick response time (a node is a computer in a computer network).
Data Sharing
We utilise computer networks, among other things, to share data among several systems that are linked to one another via a transmission medium.
Backup
In order to retrieve data more quickly in the event of a breakdown, a computer network must include a central server that maintains backup copies of all the data that will be exchanged over the network.
Software and hardware compatibility
A computer network should allow for better compatibility between various software and hardware configurations rather than forcing all of the machines to utilise the same software and hardware.
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Reliability
The network shouldn't fail, or if it does, recovering from a failure should happen quickly.
Security
A computer network needs to be secure in order to protect the data being transmitted across it from unauthorised access. Additionally, there should be no data loss during transmission and the supplied data should be received at the receiving node in its original form.
Scalability
A computer network needs to be scalable, meaning it should always allow for the addition of more computers (or nodes) to the network's already established configuration. For instance, suppose a company runs 100 computers over a computer network for its 100 employees. If the company hires an additional 100 employees and wishes to add the additional 100 machines to the existing LAN, the local area computer network should permit this.
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