COMPUTER SCIENCE ILLUMIN.-TEXT
COMPUTER SCIENCE ILLUMIN.-TEXT
7th Edition
ISBN: 9781284156010
Author: Dale
Publisher: Jones & Barlett
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Chapter 15, Problem 43E

Explanation of Solution

Three technologies used for connecting home computer to the Internet:

  • Phone modem
  • Digital Subscriber Line (DSL)
  • Cable modem

Phone modem:

Phone modem converts the computer data into analog signal to transfer through the telephone line and at the destination; it converts the analog signal to the computer data. Audio signals in phone modem is represented using binary 0 and binary 1.

Advantages of Phone modem:

  • It requires only phone connection and does not require any extra equipment to connect to the Internet.
  • It is less expensive when compared with other connections.

Disadvantages of Phone modem:

  • It is difficult to receive incoming calls and dial up an outgoing call while using Internet.
  • Slow transmission rate
  • Loading of web pages is slower when compared to broadband connection.

Digital Subscriber Line (DSL):

DSL is a technology that provides high-speed internet access using a broadband modem.

  • The speed and availability of DSL service depend on the distance from the telephone company.
  • It is used to transfer data, audio, video through the copper phone line.

Advantages of DSL:

  • Speed of the DSL is faster than other modem...

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