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ETA Gaming Cert > ETA Game Cert > Flashcards

ETA Game Cert Flashcards

1
Q

What device is an AC semiconductor switching device?

A

Triac

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2
Q

When using a digital voltmeter, which polarity is the read lead?

A

Positive

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3
Q

Identify the movement of electrons in terms of force

A

Voltage

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4
Q

What device channels money to the hopper or drop?

A

Coin Guide

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5
Q

Which device is used to increase, decrease and isolate AC voltage?

A

Transformer

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6
Q

What minimum voltage is needed to make a (SCR)silicon semiconductor conduct electricity?

A

0.7 VDC

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7
Q

What type of memory chip holds game configuration data?

A

EPROM, PROM, ROM

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8
Q

What is the section between the bill validator head and the cassette?

A

Transport

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9
Q

Which electronic device is used in a filter?

A

Capacitor

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10
Q

Identify the movement of electrons in terms of volume

A

Current

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11
Q

Coins that are accepted by the coin comparator come out

A

Bottom Right

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12
Q

Identify the unit of measure for Voltage

A

Volts

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13
Q

What type of transformer has a primary of 110V AC coming in and 50V AC coming out of secondary?

A

Step Down

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14
Q

What type of circuit allows current to flow through multiple pathways?

A

Parallel Circuit

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15
Q

What is a coil of wire with a fixed iron core called?

A

Relay

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16
Q

Electrons have what type of electrical charge

A

Negative

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17
Q

When using a schematic to analyze a circuit, what do 2 lines crossing at right angles with a dot in the middle illustrate?

A

The wires cross and electrically touch

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18
Q

When using an Ohmmeter, a technician should always ensure the equipment being tested is

A

Off

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19
Q

Which one of the following would be changed in a coin comparator to convert it from a nickel to a quarter?

A

Coin

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20
Q

If the total current in a circuit is 2 Amps and the total resistance is 200 Ohms, what is the total voltage?

A

400 Volts

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21
Q

What is the tolerance of a resistor that has no 4th band?

A

20%

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22
Q

If a resistor has the color bands red, blue, black, gold. What is the value?

A

26 Ohms +/- 5%

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23
Q

A resistor with 5 bands violet, yellow, red, red, and brown. Has a value of what?

A

74.2k Ohms +/- 1%

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24
Q

What is the most common type of resistor?

A

Carbon

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25
Q

What device is an electrical one-way valve?

A

Diod

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26
Q

What does a coin comparator use to determine the validity of a coin?

A

Eddy Currents

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27
Q

What device has terminals called anode, cathode, and gate?

A

SCR - Selective Catalytic Reduction

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28
Q

When viewing a schematic with a diode symbol, a technician must be aware that ____ flow ____ the arrow

A

Electrons ………. With

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29
Q

An LED is a ____ junction device that when ____ biased emits visible light.

A

PN ………. Forward

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30
Q

A Zener diode

A

Regulates voltage

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31
Q

A TRIAC is a ____ terminal device that is similar to a ____.

A

Three ………. SCR

32
Q

What is the predominant input signal for an AND gate?

A

Low

33
Q

What are the 2 value ratings found on an electrolytic capacitor?

A

Voltage and MicroFarads

34
Q

What device is used to change AC to DC in a power supply?

A

Rectifier

35
Q

Which of the following is a DC semiconductor switching device

A

Transistor

36
Q

What type of transistor is used for high current devices and has a built-in protective diode?

A

None of the above

37
Q

Which component has a main terminal 1, main terminal 2, and a gate?

A

Triac

38
Q

The cassette head in the bill validator head checks for what in a bill?

A

Metal

39
Q

Which device is used to compare 2 voltage signals?

A

Op Amp

40
Q

When using a multi-meter, what should the meter be set to when checking a transistor?

A

Diode

41
Q

An R/C time constant is made up of what 2 components?

A

Resistor and Capacitor

42
Q

A schematic showing a bipolar transistor symbol with the arrow pointing toward the base, is constructed with which 3 substrates?

A

PNP

43
Q

What device, if you apply a plus voltage to it to turn on, will stay on when you remove the voltage?

A

SCR (0.7 VDC)

44
Q

When a bill validator decides that a bill is acceptable, it sends a signal to the slot machine or vending machine. It stacks the bill only when…

A

the machine sends the signal back to the validator saying it is ok.

45
Q

What voltage range represents a high signal in digital logic circuits?

A

0 VDC to 5 VDC

46
Q

What is a resistor called, that is not in series and has a positive voltage supplied to it, which in turn supplies a small positive voltage to a distinct part of the circuit?

A

Pull up resistor

47
Q

What is the name of the device that conducts when the circuit gets to 0.7 V

A

Diac

48
Q

What device is an electrical latch?

A

R/S Flip Flop

49
Q

Which device contains an LED and a Triac?

A

Optically Isolated Triac Driver

50
Q

Which device contains a drain, source, and gate?

A

FET

51
Q

what is an adjustable resistor called?

A

Potentiometer

52
Q

The printer in a slot machine uses _____ to produce print on the paper.

A

Heat (Thermal printer)

53
Q

What is the term used for the amount of electrical flow?

A

Current

54
Q

What device is used to restrict the amount of flow of electricity?

A

Resistor

55
Q

Which device stores small amounts of electrical charge?

A

Capacitor

56
Q

What is the +5 VDC hook up on a 74 series IC chip?

A

Pin 14

57
Q

What device is made up of 4 diodes

A

Full-wave rectifier

58
Q

what device is used in a clock circuit to synchronize the clock signal?

A

Crystal

59
Q

What are the 2 types of electrolytic capacitors?

A

Axial lead & Radial lead

60
Q

Name the 2 terminals of the transistor that act as a single-pole switch.

A

Emitter & Collector

61
Q

What is the name of a transistor that turns on with light?

A

Optic Sensor

62
Q

What is the name of the device which has an LED and a transistor that turns on with light, built into an IC chip?

A

Opto-coupler

63
Q

What component do we put across a solenoid, to protect a transistor or Triac from being damaged from the coils magnetic field collapsing?

A

Diode

64
Q

If 15 VDC is the source of the circuit and the total resistance is 3 ohms, what is the current value of the circuit?

A

5 Amps

65
Q

What type of memory chip is volatile?

A

RAM (Random Access Memory)

66
Q

Where is money held when a bill gets to its final destination?

A

Dropbox

67
Q

What is the decimal equivalent for binary 11111

A

31

68
Q

What is the decimal equivalent for the hex number 123

A

291

69
Q

What is the name of the standard code that uses binary numbers, letters, symbols, and instructions?

A

ASCII

70
Q

How many times can a PROM chip be programmed?

A

Once

71
Q

What terminal is used to clear all functions on the MPU?

A

Reset

72
Q

What lines are used to identify memory locations?

A

Address Lines

73
Q

When working with an electronics board and semiconductor devices, what safety device should be utilized when handling CMOS components?

A

Wrist Strap

74
Q

What kind of interference may occur if an RJ45 cable is run over a fluorescent light fixture?

A

Electromagnetic Interference

75
Q

When it comes to electrical fires, what should be used to put out a fire?

A

Class C Fire Extinguisher

ETA Gaming Cert (1 decks)

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