However, some players believe that old-style slot machines with physical rolls may have a more transparent mechanism, allowing them to better understand their odds of winning. On the other hand, digital slot machines may offer more variety in terms of game features and themes.

Modern gaming machines use computer technology to operate their functions. Slot machine outcomes are determined unsing a Random Number Generator (RNG) which is a mathematically-based program that selects groups of numbers to determine which symbols are selected to produce a winning or losing outcome.