A+ Guide to IT Technical Support - Chapter 1

A+ Guide to IT Technical Support - Chapter 1 4-pin 12-V connector An auxiliary motherboard connector, which is used for extra 12-V power to the processor 8 -pin 12-V connector An auxiliary motherboard connector, which is used for extra 12-V power to the processor, providing more power than the older 4-pin auxiliary connector 20-pin p1 connector The main motherboard power connector used in the early atX systems 24-pin p1 connector The main motherboard power connector used today also called the 20+4 pin connector accelerometer A type of gyroscope used in mobile devices to sense the physical position of the device. airplane mode A setting within a mobile device that disables the cellular, Wi-Fi, and Bluetooth antennas so the device cannot transmit signals all-in-one computer A computer that has the monitor and computer case built together and uses components that are common to both a laptop and a desktop computer analog A continuous signal with infinite variations. Compare with digital, which is a series of binary values—1s and 0s ATX (Advanced Technology Extended) The most common form factor for computer systems presently in use, originally introduced by Intel in 1995. ATX motherboards and cases make better use of space and resources than did the earlier AT form factor. ATX12V power supply An ATX Version 2.1 power supply that provides an extra 12-V power cord with a 4-pin connector to be used by the auxiliary 4-pin power connector on motherboards used to provide extra power for processors. audio port A port that can be used by a microphone, audio in, audio out, and stereo audio out. Also called a sound port base station A fixed transceiver and antenna used to create one cell within a cellular network. BIOS setup The program in system BIOS th