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:
The main circuit board of a computer is the Motherboard. The Processor(CPU) is located on the circuit board. The Processor(CPU) is the circuitry that processes information. The CPU is also known as the brain of the computer. The speed of the processor is controlled by the clock. The system clock controls the timing of all computer operations.
Explanation:
Answer: The system analyst is one of the most important members in any organisation. These system analyst has to analyse different data of the organisation which would help to bring out the different any new business policy changes or any kind of improvement.
Explanation:
An example to know this better would be the system analyst of a telecom company. Here the role of the system analyst would be bring out the design and implementation of new telecom information system and also should be aware of previous data of the organization. The system analyst would also be responsible to bring out the new business policies based on latest telecom standards and ensure the systems conforms to the latest standards.
Answer:
A unique identifier for a mobile phone
Explanation:
There are different codes and tracking number assigned to different devices such as laptop, mobiles and other devices. The purpose of this task is to make sure the security of device in all aspects. The tracking number that is used to track mobile phone is named as IMEI that stands for International Mobile Equipment Identity.
IMEI is the the unique identity of mobile phone device that consists of 15 digits. It is the unique number that is assigned to phones.
