'Digital telephone lines' diaporamas de présentation

Chapter 4 Making Connections

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Role of Communication Systems

Role of Communication Systems. Introduction. The information age Made possible by development of telecommunications Modern business dependent upon telecommunications Telephone Fax Various computer links Public lines Private cables Microwave Fibre-optic links Satellite.

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Types of Internet Connections

Types of Internet Connections. Analog (up to 56k). Also called dial-up access , it is both economical and slow. Using a modem connected to your PC, users connect to the Internet when the computer dials a phone number (which is provided by your ISP) and connects to the network.

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