Understanding the sequence of a digital game round helps dispel many common myths. When you click the "spin" or "deal" button, you aren't starting a process that the machine "decides" as it goes. Instead, a precise communication loop occurs instantly.
First, you set your bet amount. When you confirm your move, the game client sends a request to the secure server. In a fraction of a second, the server uses a mathematical algorithm to determine the outcome. This result is finalized before you even see the reels move or the cards flip.
The animation you see on your screen is simply a visual representation of that server-side decision. The spinning wheels or sliding cards are there for excitement, but they do not change the result. Once the animation completes, the server sends the final data back to your device, and your account balance is updated instantly to reflect the win or loss.