Mastering Computer Studies: Unleash Your Potential in Computer Science and Hardware
PURPOSE OF NETWORKINGSome of the reasons for setting up computer networks include:1). Resource sharingA Network resource refers to any component that can be attached to the network for access by users.Some of the shared resources include:
Users whose computers are connected to a network can, for example, share their files, exchange mails, send faxes, schedule meetings, and print documents from any point on the network. This centralized access to data & information leads to less waste of time, and hence greater productivity. 2). Remote communications
Remote communication refers to the transmission of data signals between two communication devices located at different geographical locations. E.g., using remote communication, one can work from home just as if he/she is in the office.
It is mainly through remote communications that people can be able to share ideas, and pass messages over the Internet. A computer that tries to access resources from another computer on the network is called a remote client, while the computer being accessed is called a remote host. Remote communication has been made possible by use of wireless transmission media such as radio waves, microwave, and satellite. 3). Distributed processing facilitiesDistributed processing refers to the act of running the same programs or databases on different computers, which are on the same network but placed in separate locations.Each computer has its own local peripherals, e.g., disks, printers, terminals, etc. For example;In a large organization, each branch office has its own server that stores data, information, and other resources required for their daily operations.This implies that, files reside on the user’s computer rather than on a central computer, and are only transmitted periodically to update the central computer. Advantages of distributed processing.
Disadvantages of distributed processing.
4). Cost effectivenessThe initial cost of purchasing and laying down of networks components may be expensive. However, the savings experienced and the value added to service delivery make networks cost effective.
Similarly, company executives can hold electronic video conferences, thus reducing the traveling costs. 5). ReliabilityA computer network is reliable especially when communicating or accessing information:
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