Exam Practice Questions And Correct

Gambling Machine Technician Certification Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary function of a random number generator (RNG) in

a gambling machine?

• To display graphics
• To determine payout sequences
• To ensure game outcomes are random
• To track player behavior

Rationale: The RNG ensures fairness by generating unpredictable

results for each play.

• Which component of a slot machine stores game rules and payout

tables?

• Coin mechanism
• Game software module 1 / 4

• Display screen
• Hopper

Rationale: The game software module contains all logic for game

outcomes, paylines, and payouts.

• When troubleshooting a malfunctioning touch screen on a video poker

machine, what is the first step?

• Replace the entire machine
• Check the touch screen calibration
• Update the software immediately
• Disconnect the power supply permanently

Rationale: Calibration issues are a common cause of unresponsive

touch screens and should be checked first.

• What safety precaution must always be taken before opening a

gambling machine for maintenance?

• Wear gloves
• Disconnect the machine from power
• Remove coins from the hopper
• Notify the casino manager

Rationale: Disconnecting power prevents electrical shock and

damage to the machine.

• Which type of memory in a gambling machine retains settings even

when the machine is powered off?

A. RAM 2 / 4

• Cache

C. EEPROM

• CPU registers

Rationale: EEPROM (Electrically Erasable Programmable Read-Only

Memory) retains data without power.

• What is the primary purpose of a hopper in a slot machine?
• Display lights
• Generate random numbers
• Store and dispense coins or tokens
• Monitor player activity

Rationale: The hopper holds coins or tokens and releases them as

winnings.

• Which tool is most appropriate for testing circuit boards in a gambling

machine?

• Hammer
• Screwdriver
• Multimeter
• Wrench

Rationale: A multimeter measures voltage, current, and resistance to

identify electrical faults.

• What is the effect of a shorted capacitor on a gambling machine’s

power supply?

• It improves efficiency 3 / 4

• It can cause power instability or failure
• It speeds up game processing
• It brightens the display

Rationale: Shorted capacitors disrupt voltage regulation, leading to

instability.

• When updating a gambling machine’s firmware, what must be

ensured?

• Coin hopper is full
• Correct and verified firmware version
• Machine is powered off permanently
• The machine is in service mode for 24 hours

Rationale: Installing incorrect firmware can cause malfunction or

security vulnerabilities.

• Which law primarily regulates gambling machines in most

jurisdictions?

• Labor law
• Gaming control or gambling regulation law
• Traffic law
• Environmental law

Rationale: Gaming control laws govern licensing, operation, and

technical standards of gambling machines.

• What is the main function of a stepper motor in older

mechanical slot machines?

• / 4