MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER NETWORKING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Wireless connections happen by way of
A
radio waves.
B
cables.
C
Cat 5.
D
tubes.
Explanation: 

Detailed explanation-1: -Wi-Fi uses radio waves to transmit information between your device and a router via frequencies. Two radio-wave frequencies can be used, depending on the amount of data being sent: 2.4 gigahertz and 5 gigahertz.

Detailed explanation-2: -4) WiFi Uses Radio Waves uses a wireless adapter to translate data into a radio signal and transmit that signal using an antenna. Those radio waves emanate outwards from the antenna and are received by your wireless router.

Detailed explanation-3: -Wi-Fi uses radio waves to transmit data from your wireless router to your Wi-Fi enabled devices like your TV, smartphone, tablet and computer. Because they communicate with each other over airwaves, your devices and personal information can become vulnerable to hackers, cyber-attacks and other threats.

Detailed explanation-4: -Radio waves are used for wireless transmission of sound messages, or information, for communication, as well as for maritime and aircraft navigation. The information is imposed on the electromagnetic carrier wave as amplitude modulation (AM) or as frequency modulation (FM) or in digital form (pulse modulation).

There is 1 question to complete.