Hardware And Software Components Of Computer Network Pdf

hardware and software components of computer network pdf

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Computer networks share common devices, functions, and features including servers, clients, transmission media, shared data, shared printers and other hardware and software resources, network interface card NIC , local operating system LOS , and the network operating system NOS. Servers - Servers are computers that hold shared files, programs, and the network operating system.

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. The interconnections between nodes are formed from a broad spectrum of telecommunication network technologies, based on physically wired, optical, and wireless radio-frequency methods that may be arranged in a variety of network topologies. The nodes of a computer network may include personal computers , servers , networking hardware , or other specialised or general-purpose hosts.

Components of Computer Network:- As we know that networking needs some components to work systematically, to make this possible some components come into play to perform a different function and different task according to the requirement of the user and the communication system. To know more about the Components of Computer Network, keep reading this article till the end. It is simply a set of interconnected computers so as to enable exchange of information between themselves. Generally, these computers could be in the same building or located at various distances. Through the sharing of information, a large number of tasks could be carried out, such as, communication using email, videos, instant messaging; sharing of resources such as devices, printers etc; sharing of software, applications and even computing power; sharing of files.

Basics of Computer Networking: What is, Advantages, Components, Uses

Computer networks share common devices, functions, and features including servers, clients, transmission media, shared data, shared printers and other hardware and software resources, network interface card NIC , local operating system LOS , and the network operating system NOS.

Servers - Servers are computers that hold shared files, programs, and the network operating system. Servers provide access to network resources to all the users of the network. There are many different kinds of servers, and one server can provide several functions. For example, there are file servers, print servers, mail servers, communication servers, database servers, fax servers and web servers, to name a few. Sometimes it is also called host computer, servers are powerful computer that store data or application and connect to resources that are shared by the user of a network.

Clients - Clients are computers that access and use the network and shared network resources. Client computers are basically the customers users of the network, as they request and receive services from the servers.

These days, it is typical for a client to be a personal computer that the users also use for their own non-network applications. Transmission Media - Transmission media are the facilities used to interconnect computers in a network, such as twisted-pair wire, coaxial cable, and optical fiber cable. Transmission media are sometimes called transmission medium channels, links or lines. Shared data - Shared data are data that file servers provide to clients such as data files, printer access programs and e-mail.

Shared printers and other peripherals - Shared printers and peripherals are hardware resources provided to the users of the network by servers. Resources provided include data files, printers, software, or any other items used by clients on the network.

The NIC prepares formats and sends data, receives data, and controls data flow between the computer and the network. On the transmit side, the NIC passes frames of data on to the physical layer, which transmits the data to the physical link. On the receiver's side, the NIC processes bits received from the physical layer and processes the message based on its contents.

Local Operating System - A local operating system allows personal computers to access files, print to a local printer, and have and use one or more disk and CD drives that are located on the computer. The network operating system is the software of the network. It serves a similar purpose that the OS serves in a stand-alone computer.

Network Operating System - The network operating system is a program that runs on computers and servers that allows the computers to communicate over the network. Hub - Hub is a device that splits a network connection into multiple computers. It is like a distribution center. When a computer requests information from a network or a specific computer, it sends the request to the hub through a cable. The hub will receive the request and transmit it to the entire network.

Each computer in the network should then figure out whether the broadcast data is for them or not. Switch - Switch is a telecommunication device grouped as one of computer network components.

Switch is like a Hub but built in with advanced features. It uses physical device addresses in each incoming messages so that it can deliver the message to the right destination or port.

Unlike a hub, switch doesn't broadcast the received message to entire network, rather before sending it checks to which system or port should the message be sent. In other words, switch connects the source and destination directly which increases the speed of the network. Both switch and hub have common features: Multiple RJ ports, power supply and connection lights.

Router - When we talk about computer network components, the other device that used to connect a LAN with an internet connection is called Router. When you have two distinct networks LANs or want to share a single internet connection to multiple computers, we use a Router. In most cases, recent routers also include a switch which in other words can be used as a switch. There are two types of Router: wired and wireless. LAN Cable A local area Network cable is also known as data cable or Ethernet cable which is a wired cable used to connect a device to the internet or to other devices like computer, printers, etc.

It serves a similar purpose that the OS serves in a stand-alone computer Network Operating System - The network operating system is a program that runs on computers and servers that allows the computers to communicate over the network. Category : Computer Networks. Namespaces Resource Discuss. Views Read Edit Edit source View history.

6 Required Components of a LAN

Computer network components include the major parts that are needed to install a network both at the office and home level. Before delving into the installation process, you should be familiar with each part so that you could choose and buy the right component that fits with your network system. These hardware components include cable , Hub , Switch , NIC network interface card , modem and router. Depending on the type of network you are going to install, some of the parts can be eliminated. In this article we will discuss about the main computer network components required to install simple computer network , often called LAN local area network. Computer network is a group of two or more computers that connect with each other to share a resource. Sharing of devices and resources is the purpose of computer network.

Only the very smallest companies can be run without a computer, and once you've got even a handful of computers you'll probably want to network them. A Local Area Network, or LAN, turns individual computers into a shared working environment, in much the same way a shared project turns individual employees into a team. A LAN might include thousands of computers or just a few, but all LANs are made up from the same basic handful of components. For users, a network is all about the software they actually deal with, whether it's a word processor, accounting software or some kind of high-end custom program. Underneath that, making it work, you'll find a network-aware operating system, the drivers that help your computers talk to the networking hardware, and all the specialized code that handles communications between devices. Those are the software components of the network. So what are the hardware components of a LAN?

Computer network components are the major parts which are needed to install the software. Some important network components are NIC , switch , cable , hub , router , and modem. Depending on the type of network that we need to install, some network components can also be removed. For example, the wireless network does not require a cable. Cables and connectors are used with wired NIC to transfer data. For example, laptop computer contains the wireless NIC. A Hub is a hardware device that divides the network connection among multiple devices.


Introduction of Hardware and Software/components of computer. 2. Mother boards, Chipsets chezchevaux.org~smilline/downloads/chezchevaux.org


Computer network

There are three primary components to understanding networks: 1. Physical Connections; 2. Network Operating System; and 3.

What are the Components of Computer Network

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Basic computer network components

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