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ap ch stack 2
| Question | Answer |
|---|---|
| field replaceable unit (FRU) | A component in a computer or device that can be replaced with a new component without sending the computer or device back to the manufacturer. Examples: power supply, DIMM, motherboard, floppy disk drive. |
| FlexATX: | A version of the ATX form factor that allows for maximum flexibility in the size and shape of cases and motherboards. FlexATX is ideal for custom systems. |
| form factor | A set of specifications on the size, shape, and configuration of a computer hardware component such as a case, power supply, or motherboard. |
| intelligent UPS: | A UPS connected to a computer by way of a USB or serial cable so that software on the computer can monitor and control the UPS. Also called smart UPS. |
| inverter: | A device that converts DC to AC. |
| joule: | A measure of work or energy. One joule of energy produces one watt of power for one second. |
| line conditioner: | A device that regulates, or conditions, power, providing continuous voltage during brownouts and spikes. |
| line-interactive UPS | A variation of a standby UPS that shortens switching time by always keeping the inverter that converts AC to DC working, so that there is no charge-up time for the inverter. |
| low-profile case | Another term for a compact case. |
| MicroATX: | A version of the ATX form factor. MicroATX addresses some new technologies that were developed after the original introduction of ATX. |
| Midsize towers | Also called midi-towers or mid-towers, are the most versatile and most popular tower case. |
| multimeter | A more general-purpose tool that can measure several characteristics of electricity in a variety of devices. |
| NLX: | A low-end form factor that is similar to LPX but provides greater support for current and emerging processor technologies. NLX was designed for flexibility and efficiency of space. |
| notebook case: | A type of case used for portable notebook computers. |
| ohm (Ω) | The standard unit of measurement for electrical resistance. Resistors are rated in ohms. |
| overclocking: | Running a processor, motherboard, or video card at a higher frequency than the manufacturer recommends and is not considered a best practice. It might also void the warranty of a component |
| P1 connector: | Power connection on an ATX or BTX motherboard. |
| POST (power-on self test) | A series of tests performed by the startup BIOS when you first turn on a computer. |
| power conditioner: | A line conditioner that regulates, or conditions, power, providing continuous voltage during brownouts. |
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