33Semester 1

CHAPTER 4 REVIEW

JEOPARDY

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PotentPotentPotablesPotables

VoltageVoltage Up and AtomUp and Atom NoiseNoise AC/DCAC/DC

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Potent Potables100

Gold, Silver, Copper, Water, Humans

A: What are conductors?

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Potent Potables200

A: What are insulators?

Used to keep the flow of electrons going in one direction.

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Potent Potables300

A: What are semiconductors?

These silicon based object precisely control the flow of electrons.

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Potent Potables400

A: What are the three required parts of a circuit?

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Source or Battery Complete PathResistance

Potent Potables500

A: What is the Coulomb’s Law?

Opposite charges attract and like charges repulse

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Voltage100

A: What is a voltage?

Force or pressure caused by the separation of electrons and protons.

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Voltage200

A: What are electrical measurements?

Amps, Volts, and Ohms

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Voltage300

A: What is current?

The path provided for the free flow of electrons in an electrical circuit.

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Voltage 400

A: What is resistance?

Impedance or opposition to the flow of electrons

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Voltage 500

A: What is a multimeter?

is used to measure, voltage, resistance,

And continuity (level of resistance)

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Up and Atom100

A: What are parts of an atom?

Protons, neutrons, and electrons

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Up and Atom200

A: What is static electricity?

The electrons have “voltage” but lack a “current.”

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Up and Atom300

A: What are “electrical current?

This flowing of electrons occurs when charged electrons move from atom to atom

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Up and atom 400

A: What is the sum of the electrons and protons?

Atomic weight is measured by this.

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Up and Atom500

A: What is Electricity?

When electrons are pulled free from the atom.

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Noise100

A: What is Near End Cross Talk (NEXT)?

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Originates from other wires in the same cable.

Noise200

A: What is EMI (Electromagnetic Interference) and RFI

(Radio Frequency Interference) ?

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These two types of interference attack the quality of electrical signals on the cable.

Noise300

A: What is a shielding and cancellation?

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Two ways to prevent EMI/RFI Noise

Noise400

A: What is bit distortion?

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Propagation, Attenuation, Reflection, Noise, Timing Problems, and Collisions all cause this situation.

Noise500

A: What is a collision?

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This occurs in broadcast topologies where devices share access to the network media

AC/DC 100

A: What is Direct Current (DC)?

Electrical current flows in one direction; negative to positive

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AC/DC200

A: What is a Alternating Current (AC)?

Electrical current flows in both directions; positive and negative terminals continuously trade places (polarity)

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AC/DC300

A: What is grounding?

Prevents electrons from energizing metal parts of the computer.

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AC/DC 400

A: What is a multimeter?

Must be properly set it to either AC or DC, depending on the voltage you’re trying to measure.

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AC/DC500

A: What is Differential Manchester Encoding?

Encoding that results in 1 being encoded as a low-to-high transition and 0 being encoded as a high-to-low transition

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