COMPUTER FUNDAMENTALS

COMPUTER PERIPHERALS

MOBILE DEVICES AND SMARTPHONES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following wireless communication methods has the shortest operational range?
A
Wi-Fi
B
Bluetooth
C
NFC
D
IR
Explanation: 

Detailed explanation-1: -Infrared has an operational range of about 1 meter. Near field communication (NFC) has a maximum range of about 10 centimeters.

Detailed explanation-2: -Touchscreens are common in devices such as smartphones, handheld game consoles, personal computers, electronic voting machines, automated teller machines and point-of-sale (POS) systems. They can also be attached to computers or, as terminals, to networks.

Detailed explanation-3: -The desktop PC is not a mobile device.

There is 1 question to complete.