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:
c
Explanation:
assuming you are coding in python and have not install any calculation codes, the answer is most likely c
Answer:
hardware
Explanation:
A voltmeter can be defined as an electrical device used for measure voltage level or the amount of voltage present in a circuit.
In this scenario, an electrician uses a device called a volt meter. The volt meter is an example of hardware.
A hardware refers to any device, machine or equipment that can be handled physically (touched) and seen with the naked eyes. Other hardware components of a computer includes monitor, speaker, central processing unit, motherboard, hard-drive, joystick, mouse, keyboard, etc.
On the other hand, software component of a computer comprises of software application or program that are used by the computer to manage or control software application, computer hardware and user processes. Some examples of software components are operating system, registry keys, antivirus, media player, word processor, etc.