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Influence of Technology in Computer

network is basically all of the components (hardware and software) involved in connecting computers across small and large distances. Networks are used to provide easy access to information, thus increasing productivity for users.

There are lots of advantages from build up a network, but the three big facts are:

File Sharing – From sharing files you can view, modify, and copy files stored on a different computer on the network just as easily as if they were stored on your computer.

Resource Sharing – Resources such as printers, fax machines, Computer Storage Devices (HDD, FDD and CD Drives), Webcam, Scanners, Modem and many more devices can be shared.

Program Sharing – Just as you can share files on a network, you can often also share program on a network. For example, if you have the right type of software license, you can have a shared copy of Microsoft Office, or some other program, and keep it on the network server, from where it is also run.

There are also various types of computer networks:

Local Area Networks (LAN) – are used to connect networking devices that are in a very close geographic area, such as a floor of a building, a building itself, or a campus environment.

Wide area networks (WAN) – are used to connect LANs together. Typically, WANs are used when the LANs that must be connected are separated by a large distance.

Metropolitan Area Networks (MAN) – is a hybrid between a LAN and a WAN.

Storage area networks (SAN) – provides a high-speed infrastructure to move data between storage devices and file servers.

Advantage of SAN is: Performance is fast, availability is high because of the redundancy features available, distances can span up to 10 kilometers, management is easy because of the centralization of data resources and overhead is low (uses a thin protocol). Disadvantage of SANs is their cost.

Content networks (CNs) – were developed to ease users’ access to Internet resources. Companies deploy basically two types of CNs: caching downloaded Internet information and distributing Internet traffic loads across multiple servers.