A business that provides its subscribers with a wide variety of data transmitted over telecommunications lines. Online services provide an infrastructure in which subscribers can communicate with one another, either by exchanging e-mail messages or by participating in online conferences (forums). In addition, the service can connect users with an almost unlimited number of third-party information providers. Subscribers can get up-to-date stock quotes, news stories hot off the wire, articles from many magazines and journals, in fact, almost any information that has been put in electronic form. Of course, accessing all this data carries a price.
The difference between an online service and a bulletin board service is one of scale and profits. Online services provide a variety of information and services, whereas BBS’s normally concentrate on a single theme. In addition, BBS’s are often operated on a non-profit basis whereas online services are always for profit. Three of the largest online services are America Online, Compuserve and MSN.
- online service provider
Abbreviated as OSP, an online service provider is a generic term that describes any company, organization or group that provides an online service. These types of services may include Web sites, discussion forums, chat rooms, or Web mail. OSPs may also refer to a company that provides dial-up access to the Internet.
Short for operational code, it is a number that determines the computer instruction to be executed.
(v) To make an object accessible. Whenever you access a file (that is, you edit a text file or run a program file), the operating system opens the file. Opening a file can be simple or complex depending on the operating system. For example, in a multiprocessing operating system, in which different users can share […]
- open architecture
An architecture whose specifications are public. This includes officially approved standards as well as privately designed architectures whose specifications are made public by the designers. The opposite of open is closed or proprietary. The great advantage of open architectures is that anyone can design add-on products for it. By making an architecture public, however, a […]
- open learning
An approach to learning that gives students flexibility and choice over what, when, at what pace, where, and how they learn. Open learning often includes aspects of e-learning.