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:
I've answered the question but it is saying rude we do not use such words here i even changed from link to connection but still yet
Answer:
E. Transaction processing system
Explanation:
Explanation: He will need a transaction processing system to know the amount of logistics available daily and how many to ship and how many to order. Transaction processing system will make him keep track of what transactions take place during the various days to help him give a good report.
