ENIAC (/ ˈɛniæk /; Electronic Numerical Integrator and Computer) [1][2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [3][4] Other computers had some of …

Jun 14, 2025 · The Colossus was the first electric programmable computer, developed by Tommy Flowers, and was first demonstrated in December 1943. The Colossus was created to help the …

Dec 22, 2025 · Until this breakthrough, all the mechanical aids to calculation were merely calculators or, like the Difference Engine, glorified calculators. The Analytical Engine, although not actually …

Originally announced on February 14, 1946, the Electronic Numerical Integrator and Computer (ENIAC), was the first general-purpose electronic computer.

May 11, 2025 · Charles Babbage invented a device called the Analytical Engine, which was the first true computer idea. The Analytical Engine could solve many problems and was the first machine …

Jan 24, 2022 · Although Frenchman Joseph Marie Jacquard’s punch card loom preceded it by some two decades, the first mechanical computer is almost universally accepted to have been Charles …

Conceived by Harvard physics professor Howard Aiken, and designed and built by IBM, the Harvard Mark 1 is a room-sized, relay-based calculator. The machine had a fifty-foot long camshaft running …

Oct 20, 2023 · The first computer that resembled the modern machines we see today was invented by Charles Babbage between 1833 and 1871. He developed a device, the analytical engine, and …

Nov 24, 2024 · The ENIAC, short for Electronic Numerical Integrator and Computer, was the world's first general-purpose computer. Built in the 1940s, this massive machine filled an entire room and …

Dec 18, 2025 · 1981: "Acorn," IBM's first personal computer, is released onto the market at a price point of $1,565, according to IBM. Acorn uses the MS-DOS operating system from Microsoft.