At the time of ENIAC, we immediately imagined that it was a computer. Yes, it was a gaming computer or a primitive video game with TTL logic. From the image on the cover of the magazine, we can see how digital assemblies were made. Lots of wires, lots of stacked boards, and if there was a simple error or soldering problem, it was not easy to locate the problem. At the time, it cost $150 (which was a lot). The game imitated the game of guess the coins. The human (player) chose heads or tails and the computer had to guess the choice. The block diagram shows that it was not as simple as it seems.