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Natalka [10]
3 years ago
15

Select the correct statement(s) regarding IEEE 802.16 WiMAX BWA. a. OFDM is implemented to increase spectral efficiency and to i

mprove noise performance b. QPSK and M’ary QAM are both used as modulation techniques c. LTE implements WiMAX BWA for backhaul connectivity d. all of the statements are correct
Computers and Technology
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

The correct option is, d) “All the statements are correct”.

Explanation:

WiMAX (which in full means Worldwide Interoperability for Microwave Access and it is a family of wireless broadband communication standards that is based on the IEEE 802.16 set of standards, it makes provision for the use of multiple physical layer (PHY) and Media Access Control (MAC) options.) uses OFDM to carry data and increase spectral efficiency. It uses QAM and QPSK for adaptive modulation.

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mel-nik [20]

Complete Question:

What is the leading use of computers?

Group of answer choices.

a. web surfing.

b. email, texting, and social networking.

c. e-shopping.

d. word processing.

e. management of finances.

Answer:

b. email, texting, and social networking.

Explanation:

Communication can be defined as a process which typically involves the transfer of information from one person (sender) to another (recipient), through the use of semiotics, symbols and signs that are mutually understood by both parties. One of the most widely used communication channel or medium is an e-mail (electronic mail).

An e-mail is an acronym for electronic mail and it is a software application or program designed to let users send texts and multimedia messages over the internet.

Also, social media platforms (social network) serves as an effective communication channel for the dissemination of information in real-time from one person to another person within or in a different location. Both email and social networking involves texting and are mainly done on computer.

Hence, the leading use of computer is email, texting, and social networking.

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3 years ago
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HACTEHA [7]
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