The Inner Workings of Vending Machines

The video explains how vending machines operate, starting with the keypad for product selection, followed by payment processes using bills and coins. It details how the central computer verifies transactions and dispenses change. The video also covers the mechanisms used in older and newer machines for dispensing products, such as metal coils and motorized arms.

What is the first step in using a vending machine?

• Entering the product code

• Inserting coins

• Pressing the refund button

• Selecting a drink

How does a vending machine verify a bill's authenticity?

• By checking its color

• By scanning its serial number

• By taking a photo and analyzing details

• By weighing it

What factors does a vending machine consider to recognize a coin's value?

• Material and design

• Color and weight

• Size, thickness, and diameter

• Age and condition

In older vending machines, how is the product dispensed?

• By a conveyor belt

• By a spinning metal coil

• By a sliding door

• By a motorized arm

What is a key feature of newer vending machines used for beverages?

• They dispense products from the top

• They accept only coins

• They use a motorized arm

• They have a touch screen