The answer is 2 frequencies.
A Full-Duplex QAM 64 K Modem uses two frequencies. One frequency is used for upstream and the other for downstream. A variety of common QAM forms are available and include, 16 QAM, 32 QAM, 64 QAM, and 256 QAM. For example, for domestic broadcast use, 64 and 256 QAM are used for cable modem and digital cable TV. The modulation scheme for this modem uses both amplitude and phase.
Answer: Wider channel bandwidth has several downside or disadvantages to it. Some of these are as follow:
a) Higher channel bandwidth means lower will be the number of channels being utilized.
b) Wider bandwidth may lead to an increase in the speed but on the other hand, it'll lead to several interference problems.
Is it asking for a web site like .edu? or something like that?
Answer:
A
Explanation:
If you find something embarrassing, its more likely that other people with also think its embarrassing. All the other points are on the internet right now. Amazon sells things, News show information and there are political campaigns to show you there offers