Chapter one introduction to computer computer a computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data input, process the data according to specified rules, produce information output, and store the information for future use1. A client is the computer running a program that requests the service from a server. The nodes in the system are the devices we use to communicate. 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. Sep 24, 20 other network componentsother network components shared peripherals a device that is connected to a computer and controlled by its microprocessor media physical pieces used to transport data from one computer to another computer or peripheral on the network data packets 0924 5enam 2012 6. Computer networks share common devices, functions, and features including servers, clients, transmission media, shared data, shared printers and other. Everything in a computer system is connected to it produced in a variety of sizes a. A computer network comprises the following components. A minimum of at least 2 computers cables that connect the computers to each other, although wireless communication is becoming more common see advice sheet 20 for more information a network interface device on each computer this is called a network interface card or nic. These components together makes it possible to transfer data from one device to another and makes smooth communication between two different devices.
Computers may connect to each other by either wired or wireless media. It is easy to manage the data stored on a centralized computer in the network. 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. The operation of the processor is best understood in terms of these components. It is the data or information which needs to be transferred from one device to another device over a computer network. Hub is a device that splits a network connection into multiple computers. A computer network is defined as the interconnection of two or more computers. Personal area network pan a personal area network pan is a computer network used for communication among computer devices, including telephones and personal digital assistants, in proximity to an individuals body. Motherboard the motherboard is the main circuit board of a computer. Introducing basic network concepts 3 basetech networking concepts team 2230894 blind folio 3 figure 1. Jan 03, 2019 hello friends computer network topologies and their types pdf download for all of you. This interconnection among computers facilitates information sharing among them. Business network administration basic components firewall. The essential computer network components necessary for a simple computer network, usually called lan local area network, are to share resources on that network.
Data communication and computer network 5 backbone of man is highcapacity and highspeed fiber optics. Components of a computer the five classic components of a computer are briefly described below. Previous mcq set1 basic computer objective gk question answer pdf other computer mcqs mcq input and output device of computer with answers pdf mcq set1 basic computer objective gk question answer pdf. This computer networking pdf walks you through how to build a network that supports application diversity. Man works in between local area network and wide area network. Components of a computer engineering colleges in delhi. Chapter one introduction to computer computer a computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data input, process the data according to specified rules, produce information output, and store the. Jan 26, 2017 system resources such as printers can be shared between several people in network. Information stored on computer hardware is often called software.
In this article, we cover the most basic and common network components that provide a robust it environment for employees. The devices may or may not belong to the person in question. Components of a network a computer network comprises the following components. Computer networks pdf notes free download cn notes. A computer network can be defined as a collection of interconnected computers in such a way that they share resources. Data communication and computer network 1 a system of interconnected computers and computerized peripherals such as printers is called computer network. In a token ring network, a multistation access unit msau is used in place of the hub that is used on an ethernet network. How to connect two routers on one home network using a lan cable stock router netgeartplink duration.
When building a new computer or upgrading an old one, focus on the computer s central processing unit cpu first, as it defines most of the components a computer can use. Local area network lan is based on client server network relationship. Explain different components of local area network. Computer hardware and networking notes in hindi pdf. Nic is connected to the wired network systems such as token ring and ethernet. Components of computer network devices of computer. Each msau has a ring in ri port on the device, which is connected 04 2548 ch03 51605 12. The objects basically used in computer network are known as computer network elements cnes. Switch switch is a telecommunication device grouped as one of computer network components. The basic definition of a computer network is that a computer network connects parts of a distributed architecture, whether those parts are made up. A node can be a computer, printer, or any other device capable of sending andor receiving data generated by other nodes on the network. Computer network components with computer network tutorial, introduction, features, types of computer network, components, cables and connectors, router.
Shop online or visit your local micro center today. The network operating system is typically installed in the server and so they give user accesses to the network resources. Network interface cards nics are most commonly used for the establishment of local area network. System resources such as printers can be shared between several people in network. The client is any computer located on the network aside from the server. Mar, 2020 computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. Two basic network types are localarea networks lans and widearea networks wans. Servers are highconfiguration computers that manage the resources of the network. A computer system consists of both hardware and information stored on hardware. This computer network topologies and their types pdf.
Section 1 types and components of computer systems hardware and software computer hardware is the collection of physical elements that constitute a computer system. Computer networking and management lesson 1 computer. Jul 31, 2015 the essential computer network components necessary for a simple computer network, usually called lan local area network, are to share resources on that network. The computers must be connected in some way to create the network.
Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. A systems approach, fifth edition hopes to explain why networks are designed the way they are to help readers better understand how to build a network from the ground up. Some important network components are nic, switch, cable, hub, router, and modem. Each computer in the network should then figure out whether the broadcast data is for them or not. Computer network topologies and their types pdf download. The following components widely used for the construction of networks. A computer system only referred to a group of the computers and hardware components interconnected by communicating channels that allow sharing of resources and information. Network interface cards nic network interface cards nic are a hardware technology which is installed in the computer to help establish a network. What is lan and different components of local area network.
Switch is like a hub but built in with advanced features. Computer components and specifications schoolworkhelper. The hub will receive the request and transmit it to the entire network. Introduction to computer networks and data communications.
A computer network can be categorized by their size. For example, the wireless network does not require a cable. A computer network is a broad term for one of the biggest technological advances in computer science over the last 40 years. Computer networks components comprise both physical parts as well as the software required for installing computer networks, both at. Mcq set2 components of computer gk objective question. The purpose of having computer network is to send and receive data stored in other devices over the network. There are five basic components of a computer network message. A network is a set of devices often referred to as nodes connected by communication links. The following figure shows a network along with its components. The five components of a computer network are the client, server, media, network interface card and protocols.
Output devices for typical desktop computers, the processor, main memory, secondary memory, power supply, and supporting hardware are housed in a metal case. In this guide, we will discuss the main components of a computer network. Hello friends computer network topologies and their types pdf download for all of you. The msau performs the token circulation inside the device, giving the network a physical star appearance. Computer network components include the major parts that are needed to install a network both at the office and home level. The data is more secure from being copied or destroyed. A wnic is an essential component for wireless desktop computer. Introduction to computer networks and data communications learning objectives define the basic terminology of computer networks recognize the individual components of the big picture of computer networks outline the basic network configurations cite the reasons for using a network model and how those reasons apply to current.
We also examine the core of a computer network, examining the links and switches that transport data. Network adapter is a device that enables a computer to talk with other computer network. Examples of telecommunications systems are the telephone network, the radio broadcasting system, computer networks and the internet. A minimum of at least 2 computers cables that connect the computers to each other, although wireless communication is becoming more common see advice sheet 20 for more information a network interface device on each computer this is called a network. There are basically 4 computer networking elements. The basic definition of a computer network is that a computer network connects parts of a distributed architecture, whether those parts are made up of hardware, or virtual or logical resources. In general, a computer network composed of one or more servers, workstations, network interface cards, active and passive hub, routers, bridges, gateways, modem, software components like network operating systems, and other application software. There are many different types of devices used in computer networks. Computer network components are the major parts which are needed to install the software.
A clientserver network is one n which all available network. A node is usually itself a computer general or special which runs specific network software. Depending on the type of network that we need to install, some network components can also be removed. A computer network consists of two or more computing devices that are connected in order to share the components of your network. This topic is very good for all types of competition examinations. Local area networklan is based on client server network relationship. A computer network is build up from several components. Cs 536 park introduction what is a computer network. When building a new computer or upgrading an old one, focus on the computers central processing unit cpu first, as it defines most of the components a computer can use.
That is, one network can be connected to another network and become a more powerful tool because of the greater resources. Computer network allows to share resources between different nodes connected within it. Computer network is a system in which multiple nodes are connected to each other to share information and resources. Other network componentsother network components shared peripherals a device that is connected to a computer and controlled by its microprocessor media physical pieces used to transport data from one computer to another computer or peripheral on the network data packets 0924 5enam 2012 6. Components of computer network devices of computer networks. It is done to enable the computers to communicate and share available resources. Jul, 2018 the following figure shows a network along with its components. Basic network devices so here are few basic device which are used in computer network. From a performance standpoint, we study the causes of packet delay and loss in computer network.
It will also determine what you can do with the computer. The major hardware components of a computer system are. Mcq set2 components of computer gk objective question answer. A computer network includes the following components. Local area network is a group of computers connected to each other in a. Sharing of equipment like printers, scanners, fax machines, copiers, storage drives, network connection and other resources is the key rationale of computer network. The components of a telecommunications system video. The nodes typically handle the network protocols and provide switching capabilities. We identify key architectural principles in networking, including layering and service models. Computer hardware refers to the physical parts or components of a computer such as monitor, keyboard, computer data storage, hard drive disk, mouse, system unit graphic cards, sound. All student who preparation competitive examination will help you for upcoming exams like railway,cat, ssc,mppsc and other state level exam. Wide area network as the name suggests, the wide area network wan covers a wide area which may. The software components of a computer system are the data and the computer programs. Protocols can be viewed as the glue that binds every thing else together.
1337 492 1549 1460 804 971 1428 376 1548 1594 1295 1485 1050 797 1488 770 1305 52 468 579 475 1605 161 953 996 946 1332 776 482 805 958 828 774 1012 1483 1340 1440 824 1354 1033 800 1044 880 1398