Computer Network Basic)

The concept of network (Concept of computer network) in one elan and during the year of processing multiple computers with each other CREE (Resource) ECOTCHT ST TOOR take the file (File) connected to the network system to share their own hardware and software with each other in this way. Can.

Discrete users can exchange tasks in conflict. C of a single computer is very high. This system can store more information and work with less manpower. The basic purpose of a computer network is to exchange information and work between multiple computers through the sharing of software systems to ensure system reliability (Reliability), security (Security) and efficiency (Performance) including physical 6.3 Elements of computer network (Elements of computer network) The need for ears in the network depends mostly on what kind of network we will build, but a network basically has three components. Such as > Software >


Te asication software and Altication software is a collection of several interface programs, through which the computer can share resources. It can be of --- nature. A software program that communicates or communicates with a networked computer. (b) use 185 meters and 185 more types of these of a m networks, viz.

Above.

But a net ni D > ORR > Network hardware application software and application software are equivalent to several interface programs, through which computer users can connect to the network and share various resources or resources that exist in the network. They can be client-server or peer-to-peer in nature.


Network software and network software is a set of programs that establish the rules of network use, protocols, on the basis of which one computer exchanges information with another computer or exchanges formatted instructions and packets. These protocols are protected.


Protocols create logical connections between network aggregations on two computers, manage packets through the physical network, and prevent collisions between packets sent at the same time.


Tries to reduce as much as possible. Network Hardware - All the physical parts or components that connect multiple computers together are called network hardware. Two of these important components are the computer signal carrying transmission medium and the network adapter. The transmission medium is usually made of wire or optical fiber.


Network adapter works to establish a link between the transmission medium and the network software. The information transmitted over the network is in binary digit or bit form, so that the computer's electronic circuit can easily process it. .

There are many devices in this network hardware that are discussed (A) Network Interface Card (NIC) The full meaning of NIC Network Interface Card is Network Interface Card. It is best known as adapter. An interface card is a piece of hardware, which is placed or installed in a PC or computer.


Used to connect it to other computers. Its location is between the databus and network media cables on the motherboard. Network adapter cards basically transfer data from one computer to another in digital form. Nick is a device in the data link layer of the OSI (OSI) reference model. Network adapters do all the work of network communication. For example, the Ethernet network card checks whether the media is silent or not before the transmission. 6.5 Router Router + Bridge.


Use of router (h) Brouter (Brouter) Brouter is a combination of router and bridge. That is, the main advantage of the router is that any protocol can be routed through it. Routing is the process of moving data packets from one network segment to another. For example, the routable protocol IP (IP) router will use the browser. On the other hand, the non-blottable protocol uses the NetBUI (NeBEUI) bridge part. Such internetware facilitates the use of m protocol. A router is basically a software that runs on a router. (b) Gateway Gateway is a networking device, which always provides connection between two different types of networks, whether these two networks use the same protocol or different protocols. For one thing, gateways translate protocols, so gateways are also called protocol triplators.
It does OSI model 4,5,6 watts. Gateways can be of several types based on function, such as acet ece > ta gateway > application gateway. Features and Uses of Gateways It always provides connection between two different types of networks. > This may cause trismalization of the protocol.
All pairs of GOSI models can work. > Where multiple protocols operate, gateways must be used. Gateway benefits. → Gateway can connect another network to a network of different architectures. 18 Gateways can connect other networks to networks of different protocols. > Addressing - can associate another network with its network. of 201 P10

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