What is a Network?

A network is a group of computers that share resources located in or provided by network nodes.

Computers use standard communication protocols over digital links to communicate with each other.

These connections consist of telecommunications network technologies based on wireless.

Also, optical and physically wired radio frequency methods that can be arranged in a variety of topologies.

The nodes of a computer network can include personal computers, servers, hardware, or other specialized or general purpose hosts.

They are identifying by host names and addresses.

Hostnames serve as memorable names for nodes that are seldom changing after initial assignment.

Network addresses are useful to locate and identify nodes using communication protocols such as the Internet Protocol.

Classification

Computer networks can be classified according to many criteria, including the transmission medium used to carry signals, bandwidth.

Also, communication protocols used to organize traffic, network size, topology, mechanism of control of the traffic, and the intent of the organization.

Computer networks support many applications and services, such as access to the World Wide Web.

Also, digital video, digital audio, application sharing and storage servers.

Also, printers and fax machines, and the use of e-mail and instant messaging applications.

Network Applications

A computer network enhances interpersonal communication electronically with various technologies.

Such as: B. e-mail, instant messaging, online chat, voice and video calls and video conferencing.

Also, a network allows you to share computer and resources.

Users can access and use resources provided by devices, such as: For example, print a document on a shared printer or use a shared storage device.

In addition, it enables files, data, and other types of information to be sharing.

Also, it allows authorized users to access information we store on other computers on the connection.

Distributed computing uses computing resources on a connection to perform tasks.