The 1940s marked a foundational period in the history of computers, characterized by several key developments and innovations that paved the way for modern computing. Here are some of the notable computer-related introductions from that decade: 1. **The ENIAC (1945)**: Developed by John W. Mauchly and J. Presper Eckert, the Electronic Numerical Integrator and Computer (ENIAC) is often considered the first general-purpose electronic digital computer.