Sunday, 2 August 2015

what is computer networks?what are server computer and terminals or nodes used in computer network?

Computer network
A collection of computers and other devices that are linked together by communication channels or lines for sharing information and other resources is called computer networks. The resources may include printers, scanners, and hard disks etc. computer networks is also called the information network are simply net. The most popular information network is the internet.

   Ina computer network, two important technologies:computing and telecommunication work together.The computers on a network may be linked through cables,telephone lines, radio waves (wireless), and satellites etc. Figure 2.1 shows the computer network.

      In a computer network, network operating system is used that cables the connected computes to communicate with each other. the example of these operating system are: Windows NT, UNIX, and Novell etc.
Server Computer & Terminals


      A computer and the network that controls the overall functioning of a network is called server computer. it is also known as central computer. in addition to control the network, all data files and software are stored on server computer. A powerful computer is installed as server computer in the network.

                  The devices other than server computer within the network are called terminals. Terminals are also known as nodes. A node may be personal computer, printer,scanner, monitor etc. The users in the computer network access data and other resources through terminal computers.

what is computer networks?what are server computer and terminals or nodes used in computer network? Rating: 4.5 Diposkan Oleh: Ghulam Nabi

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