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MO chapter 4 stack 1

alternating current Current that cycles back and forth rather than traveling in only one direction. In the United States, the AC voltage from a standard wall outlet is normally between 110 and 115 V. In Europe, the standard AC voltage from a wall outlet is 220 V.
antistatic wrist strap A strap you wear around your wrist. The strap has a cord attached with an alligator clip on the end. Attach the clip to the computer case you are working on to prevent static electricity. It is also called an antistatic wrist strap or ESD bracelet
ampere or amp A unit of measurement for electrical current. One volt across a resistance of one ohm will produce a flow of one amp.
ATX The most common form factor for PC systems presently in use, originally introduced by Intel in 1995. ATX motherboards and cases make better use of space and resources than did the AT form factor.
ATX12V power supply A power supply that provides a 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.
brownouts Temporary reductions in voltage, which can sometimes cause data loss. Also called sags
BTX (Balanced Technology Extended) The latest form factor expected to replace ATX. It has higher quality fans, is designed for better air flow, and has improved structural support for the motherboard.
capacitor An electronic device that can maintain an electrical charge for a period of time and is used to smooth out the flow of electrical current. Capacitors are often found in computer power supplies.
clamping voltage The maximum voltage allowed through a surge suppressor, such as 175 or 330 volts.
compact case A type of case used in low-end desktop systems. Compact cases, also called low-profile or slim-line cases, follow either the NLX, LPX, or Mini LPX form factor. They are likely to have fewer drive bays, but they generally still provide for some expansion.
data line protector A surge protector designed to work with the telephone line to a modem
daughter card A subordinate extension of a motherboard.
diagnostic card A card that is useful when troubleshooting errors with hardware.
diode An electronic device that allows electricity to flow in only one direction. Used in a rectifier circuit.
DIP (dual inline package) switch DIP (dual inline package) switch
direct current Current that travels in only one direction (the type of electricity provided by batteries). Computer power supplies transform AC to low DC.
electromagnetic interference A magnetic field produced as a side effect from the flow of electricity. EMI can cause corrupted data in data lines that are not properly shielded.
electrostatic discharge An electrical charge at rest. Also known as static electricity.
Created by: mike01