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Computer engineering 1 > Vocab Power Supplies > Flashcards

Vocab Power Supplies Flashcards

1
Q

Serial ATA drives need this special 15-pin connector

A

SATA Power Connector

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2
Q

Modern Motherboards use a 20- or 24-pin connector called this

A

P1 Power connector

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3
Q

A device that absorbs the extra voltage to protect the PC

A

Surge Suppressor

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4
Q

Provides the basic cooling for the PC

A

Power Supply Fan

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5
Q

The flow of electrons alternates directions back and forth in a circuit

A

Alternating Current (AC)

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6
Q

SECOND type of connector that supplies 5 and 12V to preipherals

A

Mini connector

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7
Q

Where the BIOS or operating system the chore of turning the PC on or off

A

soft power

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8
Q

The MOST COMMON type of power connection for devices that need 5 or 12V power

A

Molex connector

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9
Q

Device used to measure a number of aspects of electrical current

A

Multimeter

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10
Q

Extra circuitry that smoothes out the way the power supply takes power from he power company and eliminates harmonics

A

Active PFC

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11
Q

The pressure of the electrons in a wire

A

Volts

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12
Q

Electrical friction to the flow of electrons that occurs in wires whether copper, tin, gold, or platinum and is measured in ohms

A

Resistance

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13
Q

Groups of wires that run from a power supply that provides either 12.0V, 5.0V, or 3.3V and are independent of one another

A

Rails

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14
Q

Protects your computer in the event of a power sag or power outage

A

UPS

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15
Q

a really great surge suppression that eliminates all kinds of strange signals iminating from the power lies

A

Power Conditioning

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16
Q

Another name for a power supply

A

PSU

17
Q

Used ti measure the resistance to the flow of electrons through a wire

A

OHMS

18
Q

Refers to the typical parts a tech should carry, such as RAM and a Hard Drive

A

FRU

19
Q

The amount of electrons moving past a certain point

A

Amps

20
Q

Helps to maintain proper airflow inside the system case by covering expansion bays

A

slot covers

21
Q

the flow of electrons in one direction around a continuous circuit

A

Direct Current (DC)

22
Q

A unit of electrical energy that describes how much energy a surge suppressor can handle before it fails

A

JOULE

23
Q

The amount of Amps and Volts needed so that a particular device will function. Volts times Amps gives you this measurment

A

Wattage

24
Q

the standard connector that connects the power supply to the power cord

A

IEC-320

Computer engineering 1 (10 decks)

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