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Subject Directories
Subject directories, also known as subject guides allow people to browse information by subject. They are hierarchically organised indexes of different subjects, with links to different web sites on each subject. The searcher can browse through the index in search of relevant subjects and navigate to the relevant web sites by clicking on hostspots which represent those sites: Subject directories are built by human indexers.
Apart from general subject directories, there are also two other types of directories specialised subject directories and clearing houses. Specialised directories specialise in their specific areas and provide access to the most important sites and resources in those areas, where as clearing houses are collections of various specialised search directories, either by including the search directory on their web sites or by providing a link to the web sites of these specialised directories. This facilitates easy location of specialised information on the Internet.
Problem: (a) Distinguish between a virus, a worm, and a Trojan horse. (b) A computer can be a target of a crime or an instrument of a crime. State three examples of each.
Uses of Internet Access in Libraries Users of Internet Access in Libraries and a web site, may be in a position to offer some of the under mentioned services to their users:
Communication Networks "A telecommunications network is a system consisting of communicating devices, such as terminals, an interconnecting media, such as cable, and a means o
Draw a DFD based on all of the preceding information
• Choose an industry of your choice and evaluate the past and present state of MIS in an organization of the industry. • Elaborate how the evolution have brought about the reductio
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how ERP evovled in a ststem
Interactive Systems With the development of magnetic discs, the capability to access data in a. random fashion (rather than in the sequential fashion with magnetic tapes) bec
benefits a company can drieved by managing its own information infrasturcture
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