What is a feature of a dial-up connection?

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What is a feature of a dial-up connection?

  • the use of different frequencies to send multiple signals over the same medium
  • the use of different frequencies to carry voice and data signals on the copper telephone wire
  • the use of an analog modem to transmit data over voice telephone lines

The answer is: the use of an analog modem to transmit data over voice telephone lines.

A dial-up connection utilizes an analog modem to establish a connection over a standard telephone line. This allows data to be sent and received through the telephone network. The analog modem modulates digital computer data into analog signals that can be transmitted over the telephone lines, and demodulates incoming analog signals back into digital data for the computer.

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The Main Features of a Dial-Up Connection

Dial-up connections have several distinctive features that differentiate them from other types of internet connections. Here are some of the main features of a dial-up connection:

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Utilizes Phone Lines

Dial-up connections use standard telephone lines for data transmission. This means that they don’t require any additional infrastructure beyond what is already used for landline phone service.

Analog Modem Required

An analog modem is essential for a dial-up connection. This modem converts digital data from your computer into analog signals for transmission over the telephone line. Similarly, it converts incoming analog signals back into digital data.

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Limited Speed

Dial-up is generally much slower than other types of internet connections, such as DSL or broadband. Typical speeds range from 28.8 Kbps to 56 Kbps.

No Permanent Connection

Dial-up connections are not always on; they require you to dial into your service provider’s network each time you want to use the internet. This can result in busy signals if multiple users are trying to connect at the same time.

Occupies Phone Line

When in use, a dial-up connection typically occupies the phone line, preventing incoming or outgoing phone calls on that line unless you have a second line or specialized service.

Cost-Effective

One of the advantages of dial-up is that it is generally less expensive than other types of internet connections. However, long-distance or timed local calls can increase the cost if not managed carefully.

Easy to Set Up

Dial-up is relatively straightforward to set up, often requiring just a computer, a telephone line, and a modem. Most operating systems come with built-in software to manage dial-up connections.

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Portability

Because it uses standard telephone lines, dial-up is available in many locations, making it a portable option. However, the need for a landline can be limiting in areas where only mobile or satellite phones are available.

Understanding these features can help you decide whether a dial-up connection meets your internet needs, especially in terms of speed, cost, and availability.

Further Reading

Dial-Up Connection – Techopedia

Dial-up Internet access

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