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Connectivity technologies allow programs on a given computer to run routines or access objects on another remote computer.
Dial-up Internet access is offered through a number of Internet Service Providers (ISPs). Most ISPs lease a set of telephone numbers, sometimes local, sometimes national, that dial into network pipelines that feed into the Internet. Subscribers to the ISP normally pay a monthly or yearly fee. For this fee, the subscriber can access the Internet any time of the day or night to cruise the World Wide Web, send and receive email, participate in IRC chat rooms and USENET newsgroups.
Dial-up service is the least expensive but also the slowest type of Internet access. Due to the limited bandwidth - the ability for the modem to send and receive data - dial-up service can take up to five minutes to download just one megabyte of data. Caching frequently visited pages, and other software tricks and tweaks can speed up the experience of dial-up access in some cases. However, if your main purpose online is multimedia-centric, (music, movies, and graphic-laden websites), dial-up service may be so slow as to be unsatisfactory.
