2 chapter 1 into the internet 23 a range within a band

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Unformatted text preview: and its Canadian counterpart CANARIE are a collaboration among universities, government, and industry to develop advanced network technologies and new uses for the Internet • • • 1. 2. Chapter 1: Into the Internet 23 A range within a band of frequencies or wavelengths. The amount of data that can be transmitted in a fixed amount of time. For digital devices, the bandwidth is usually expressed in bits per second (bps) or bytes per second. For analog devices, the bandwidth is expressed in cycles per second, or Hertz (Hz). Chapter 1: Into the Internet 24 • – • • • Chapter 1: Into the Internet 25 • Chapter 1: Into the Internet 26 Chapter 1: Into the Internet 28 • – – • • • • • • Chapter 1: Into the Internet 27 People who live in a rural area where neither ADSL nor Cable service is offered must use a wireless connection to get highspeed Internet access • – • • • – • That is a connection from a permanent, stationary location – – Chapter 1: Into the Internet 29 Hardware with antenna connected to wired network and used to send and receive radio waves to and from mobile devices e.g. notebooks, mobile phones. • – Chapter 1: Into the Internet 30 • – • • • • 1.5Mbps for hundreds of users simultaneously – • • Hotspot covers a 100-foot range from wireless access point Chapter 1: Into the Internet A faster option is T3 line, which offers about 45Mbps for hundreds of users simultaneously 31 Chapter 1: Into the Internet 32 Chapter 1: Into the Internet 33...
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This document was uploaded on 04/06/2014.

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