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Monday, April 6, 2009

Computer Network Definition

With bloom it computer technology and communication a single computer model that serves entire computations duties a organization now replaced with computer nest that separated but mutual connected in carry out the task, system likes this called computer network (computer network). (1)
in this book we shall use computer network term to will interpret a interconnection collection amount of computer autonomous. two computers be be said when both mutual swop informasui interconnection. betuk the connection can not pass copper wire but emngguna optics fiber, gelomabng micro, or communication satellite.
to realize computer network term frequently we are stumped with system distributings (menytributed system). the difference key that a system distributings, existence amount of computer autonomous has transparent for the user. one can give command to execute a program, and then program itupun will walk and task to choose prosesor, find and send file to a prosesor and keep the result in place correct mertupa operating system task. equally, system user ditribusi will not realize dapatnya many prosesor (multiprosesor), task allocation to prosesor, allocation f\ile to menyk, file transfer dfisimpan and need, with another functions from sitem must has automatic.
at one particular computer network, user must explicitly logarithm to a engine, explicitly submit the task from a distance, according to eksplisity move files and handle self in general selusurh network management. in system distributings, bothing that necessary done explicitly, sermu done automatically by system without the knowledge user.
thereby a system distributings a software system that made in part a computer network. soft ware that determines integrity level and transparency network concerned. therefore network difference with system distributings more lay in the software (especially operation system), not in the hardware.