Multi-User Environment
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Multi-User Environment
The necessity of sharing of data and information gave rise to multi-user environment. In a multi-user environment, there is a concept of file server and user nodes or user terminals connected to the file server. There are various ways of developing a multi-user environment depending upon the connectivity. There is local area network (LAN) where nodes are connected with the file server with cables through which the data and information are transferred from file server to the different nodes connected to the file server and vice-versa. In a Wide Area Network (WAN), the nodes are connected through MODEM or through satellite. LAN: A local area network (LAN) is a group of computers that are connected together in a localized area to communicate with one another and share resources such as printers.
MAN:
A metropolitan area network (MAN) is a computer network that usually spans a city or a large campus. A MAN usually interconnects a number of local area networks (LANs) using a high-capacity backbone technology, such as fiber-optical links, and provides up-link services to wide area networks (or WAN) and the Internet.
WAN:
A WAN spans a large geographic area, such as a state, province or country. WANs often connect multiple smaller networks, such as local area networks (LANs) or metro area networks (MANs).
Intranet is a collection of private computer networks within an organization. An intranet uses network technologies to facilitate communication between people or work groups to improve the data sharing capability and overall knowledge base of an organization's employees. Intranets utilize standard network hardware and software technologies like Ethernet, WiFi, TCP/IP, Web browsers and Web servers. An organization's intranet typically includes Internet access but is firewalled so that its computers cannot be reached directly from the outside.
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