Chapter 3 Flashcards

1
Q

EMI

A

Electromagnetic interference

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2
Q

What are tweezers used for?

A

To work with smaller items in the computer, such as jumpers.

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3
Q

What is a multimeter?

A

Used to verify that the wall outlet is supplying the correct voltage and that your power connectors to the hard drive and CD-ROM drives are supplying the correct voltage as well.

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4
Q

What is a windows boot disk?

A

A disk that contains the core boot files that are needed to boot a windows OS.

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5
Q

What is a live cd?

A

A term used for booting and running the OS from a CD.

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6
Q

What are antistatic bags used for?

A

When carrying computer components from one place to another.

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7
Q

How does a humidifier help protect a computer?

A

Places moisture in the air to reduce static electricity in the air.

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8
Q

What is the responsibility of a power supply unit?

A

Taking alternating current from the wall outlet and converting it to direct current that is usable by computer components.

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9
Q

The power supply takes how much AC from the wall outlet and supplies DC?

A

Coverts 120 volts of AC to 3.3V, 5V, or 12V of DC.

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10
Q

CRT

A

Cathode ray tube

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11
Q

Computer compontes can be destroyed with as little as?

A

200 Volts

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12
Q

EMI stands for?

A

Electromagnetic interference

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13
Q

ESD stands for ?

A

Electrostatic discharge

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14
Q

EPA

A

Environmental protection agency

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15
Q

RSI

A

Repetitive strain injury

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16
Q

You can prevent damage from ESD by

A

Using a grounding strap

17
Q

A grounding strap contains a

A

Resister