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What Is Computer Network And Its Types Pdf

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Computer network , two or more computers that are connected with one another for the purpose of communicating data electronically. Besides physically connecting computer and communication devices, a network system serves the important function of establishing a cohesive architecture that allows a variety of equipment types to transfer information in a near-seamless fashion. LANs connect computers and peripheral devices in a limited physical area, such as a business office, laboratory, or college campus, by means of links wires, Ethernet cables, fibre optics , Wi-Fi that transmit data rapidly. A typical LAN consists of two or more personal computers , printers, and high-capacity disk-storage devices called file servers, which enable each computer on the network to access a common set of files. LAN operating system software , which interprets input and instructs networked devices, allows users to communicate with each other; share the printers and storage equipment; and simultaneously access centrally located processors, data, or programs instruction sets.

Computer Network Fundamentals

A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications. A computer network can be categorized by their size. A computer network is mainly of four types :. It is a low range network. Extranet: An extranet is a communication network based on the internet protocol such as Transmission Control protocol and internet protocol.

A network consists of two or more computers that are linked in order to share resources such as printers and CDs , exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. It is generally limited to a geographic area such as a writing lab, school, or building. Computers connected to a network are broadly categorized as servers or workstations. Servers are generally not used by humans directly, but rather run continuously to provide "services" to the other computers and their human users on the network. Services provided can include printing and faxing, software hosting, file storage and sharing, messaging, data storage and retrieval, complete access control security for the network's resources, and many others. Workstations are called such because they typically do have a human user which interacts with the network through them.

Computer network

There are various types of computer networks available. We can categorize them according to their size as well as their purpose. The size of a network should be expressed by the geographic area and number of computers, which are a part of their networks. It includes devices housed in a single room to millions of devices spread across the world. What is LAN? What is WAN?

There are various types of computer networks available. We can categorize them according to their size as well as their purpose. The size of a network should be expressed by the geographic area and number of computers, which are a part of their networks. It includes devices housed in a single room to millions of devices spread across the world. What is LAN? What is WAN?

Interconnection of two or more computers to share resources or two computers said to be interconnected if they are capable of exchanging information. In other words, the network which connects two or more computers in a network this type of network is called a computer network or computer networking. In connection computer shares information with each other. All the available resource such as file, printer, scanner, etc. Reliability also major important of computer networking. Using a computer network, it is possible and easy for two or more people who live far apart to write a report together. When one makes changes a document the other can notice immediately instead of waiting a day or more.

Chapter 1: What is a Network?

Used for everything from accessing the internet or printing a document to downloading an attachment from an email, networks are the backbone of business today. The smallest and most basic type of network, a PAN is made up of a wireless modem, a computer or two, phones, printers, tablets, etc. These types of networks are typically found in small offices or residences, and are managed by one person or organization from a single device. Enterprises typically manage and maintain LANs.

Computer network is a term used to describe the connection made between computers. This network makes exchanging, sharing and transferring information with other computers possible. Peer-to-peer networking is the network made between computers that are held together using a hub central switch. Computers can share devices like printers and scanners but the only thing that would act as a drawback is that if Computer A is connected to a printer and Computer B wants to print something, computer A should be on.

Two very common types of networks include:. Computer networks keep changing the way we live and do things in the 21st century. Telecommunications networks consist of computers, communications processors, and other devices. Djagarov and Z. The type of platform selected often depends on the bandwidth required to perform remote operations such as pumping, or the polling frequency e.

Computer network

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5 Comments

Archard B. 14.05.2021 at 05:42

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Abaledout 15.05.2021 at 14:00

Setting up a computer network is a fast and reliable way of sharing information and resources within a business.

Wersigaca1974 15.05.2021 at 14:43

by a network, it is classified as: – Local Area Network (LAN) – Metropolitan Area Network (MAN) – Wide Area Network (WAN) – Personal Area Network (PAN).

Charmaine L. 18.05.2021 at 01:45

Used for everything from accessing the internet or printing a document to downloading an attachment from an email, networks are the backbone of business today.

Sabine B. 20.05.2021 at 14:06

A computer network is defined as the interconnection of two or more computers. It is done to enable the computers to communicate and share available resources. □ APPLICATIONS: i.

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