• Summary
  • Contents

The SAGE Key Concepts series provide students with accessible and authoritative knowledge of the essential topics in a variety of disciplines. Cross-referenced throughout, the format encourages critical evaluation through understanding. Written by experienced and respected academics, the books are indispensable study aids and guides to comprehension. Key Concepts in Journalism offers a systematic and accessible introduction to the terms, processes, and effects of journalism;a combination of practical considerations with theoretical issues; and further reading suggestions. The authors bring an enormous range of experience in newspaper and broadcast journalism, at national and regional level, as well as their teaching expertise. This book will be essential reading for students in journalism, and an invaluable reference tool for their professional careers.

Internet (Intranet, Extranet)
Internet (intranet, extranet)

It is almost easier to say what the Internet is not, rather than what it is. Not to be confused with the world wide web, although the two are very closely linked, the Internet is a global network of networks linking up millions of computers (and the data stored on them) by telephone lines, cables, satellites and radio waves. This huge information infrastructure hosts a variety of applications, including the world wide web and electronic mail (email). It uses a set of rules such as TCP/IP (Transmission Control Protocol/Internet Protocol) and FTP (File Transfer Protocol) which govern the exchange of information and allow computers of different types to communicate with each other (Whittaker, 2000: 8–9).

Two adaptations of Internet technology, the intranet ...

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