next Continuous connectivity
up CMPT 165: Review
previous How do individuals connect to the Internet?


Early Internet Connections

Until mid-1990s...

leased digital circuit: only available technology offering a dedicated connection to the Internet

dial-up: access through the telephone system: a computer uses a modem and software to connect; software instructs the modem to place a telephone call to the number provided by the ISP.

Figure 11: A computer connected to the Internet with a dial-up connection.
\scalebox{.4}{\includegraphics{eps/dialup.eps}}


next Continuous connectivity
up CMPT 165: Review
previous How do individuals connect to the Internet?

``CMPT 165: Review'' by Tamara Smyth, Computing Science, Simon Fraser University.
Download PDF version (review.pdf)
Download compressed PostScript version (review.ps.gz)
Download PDF `4 up' version (review_4up.pdf)
Download compressed PostScrip `4 up' version (review_4up.ps.gz)

Copyright © 2011-12-05 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<tamaras@cs.sfu.ca>
School of Computing Science,   Simon Fraser University