Virginia Dare was the main character in Sallie Southall Cotten's 1901 book in verse The White Doe: The Fate of Virginia Dare. In the book, she is turned into a white doe by an Indian witch doctor after she rejects his advances.
Motorola DynaTAC 8000X TACS mobile phone. Advanced Mobile Phone System (AMPS) is an analog mobile cell phone system standard developed by Bell Labs, and officially introduced in the Americas on October 13, 1983, Israel in 1986, Australia in 1987, and Pakistan in 1990.t was the primary analog mobile phone system in North America (and other locales) through the 1980s and into the 2000s. As of February 18, 2008, carriers in the United States were no longer required to support AMPS and companies such as AT&T and Verizon have discontinued this service permanently.
A Guide To Computer Modems. The Basics. Most phone lines were designed to carry tonal (analog) signals. The Public Switched Telephone Network (PSTN) picks up these tonal signals, and usually converts them into digital signals to transfer them from one Central Office (CO) to another. On the other end, the digital signals are converted back into an analog signal. How does a computer use a phone line? Modem is an acronym for MOdulator/DEModulator. It converts the digital signal from your computer into an analog signal that can be carried by the phone line, and vice versa. It is also possible to get a digital line (ISDN) installed in your home, but you would need an adapter in order to resolve the different digital signals.