The Signs of a Bad CMOS Battery. 1  How to Remove a Desktop Battery From the Acer Aspire. 2  How to Replace the CMOS Battery in a Dell Latitude 600. 3  How to Replace a CMOS Battery. 4  How to Clear CMOS on HP Laptops. 5  How to Make a Computer Turn on From the Motherboard.
A summary of near-field communication. Near-field communication (NFC) is a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm (1.6 in) of each other.
NFC, or Near Field Communication, is essentially just another transceiver inside your phone or tablet. NFC can let you share information between phones, read information from a sticker or sign, or even buy good and services as easily as you would with a credit card.What differentiates NFC from your Bluetooth, WiFi, or cellular radios is primarily the distance it can cover, and the power it requires to run.NFC runs on a ridiculously little amount of power, but requires a fairly large antenna to work.FC can let you share information between phones, read information from a sticker or sign, or even buy good and services as easily as you would with a credit card. What differentiates NFC from your Bluetooth, WiFi, or cellular radios is primarily the distance it can cover, and the power it requires to run.