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.
What Is Bluetooth. Bluetooth 4.0, is a specific protocol for device to device communication using a radio frequency. Bluetooth is most commonly known as a protocol for hands off phone control. Yet, Bluetooth is used for a lot more than just phone control. Bluetooth devices include keyboards, mice, headphones, gaming controllers, remote controls, printers, and cameras are the most common computer devices using Bluetooth.