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On May 12, 1941, German engineer Konrad Zuse presented the Z3, the first fully automatic, programmable machine, to an audience of scientists in Berlin. It contained all the characteristics necessary to define it as a computer.

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The first Macintosh was introduced on January 24, 1984, by Steve Jobs and was the first commercially successful personal computer to include two well-known, but still unpopular, features: the mouse and the graphical user interface.

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Introduced to the public in 1986, the IBM PC Convertible was IBM's first portable computer. This revolutionary computer weighed less than 6 kilos and cost approximately $2,000.

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ENIAC (Electronic Numerical Integrator and Computer) was the first general-purpose electronic computer, built in 1945 in the United States. It used vacuum tubes and could perform thousands of calculations per second. ENIAC was used mainly for military calculations and marked the beginning of the electronic computing era.

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ENIAC (Electronic Numerical Integrator and Computer)

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Apple I (1976)

The Apple I was one of the first personal computers, created by Steve Wozniak and Steve Jobs in 1976. It came as a fully assembled circuit board, which was rare at the time. The Apple I helped launch the personal computer revolution.

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In 1936, German engineer Konrad Zuse created the Z1, often regarded as the first programmable mechanical computer. It was built in his parents’ living room and used binary numbers, something revolutionary for the time. Although it was unreliable and never fully functional, the Z1 represented a critical step toward modern programmable computers.

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In 1951, the UNIVAC I (Universal Automatic Computer I) became the first computer sold commercially in the United States. Unlike its predecessors, it was designed for business and government applications, such as census calculations and data processing. Its arrival marked the transition of computers from purely military and scientific tools to business and commercial use.

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In 1936, Alan Turing designed the concept of the “Turing Machine,” a theoretical model that could solve any mathematical problem using logic. Although it was not a physical machine at the time, this idea laid the foundation for modern computer science.

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The Apple iBook G4 was a consumer-oriented laptop computer from Apple, featuring a PowerPC G4 processor and a distinctive, colorful, clamshell design, similar to the iMac. Introduced in 2003 and sold until 2006, it was positioned as a more affordable alternative to Apple's higher-end PowerBook series for the education and home user markets. 

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The IBM 701 Electronic Data Processing Machine, known as the Defense Calculator while in development, was IBM's first commercial scientific computer and its first series production mainframe computer, which was announced to the public on May 21, 1952

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The Z1 was an early, motor-driven mechanical computer designed by Konrad Zuse in Germany between 1936 and 1938. It was a significant innovation as the world's first freely programmable computer to use binary logic and floating-point numbers, reading instructions from a punched tape. Though unreliable and destroyed during World War II, the Z1 laid the foundation for modern computers by establishing key concepts like binary arithmetic and memory storage.

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Microsoft Windows 95 is a discontinued and obsolete operating system with a hybrid 16-bit/32-bit graphical user interface. It was released on August 24, 1995, by Microsoft, with notable sales success.

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The original Intel Pentium, released in 1993, was Intel's first Pentium-branded processor and represented a significant improvement over its predecessor, the Intel 80486. It was an important processor for personal computers in the 1990s.

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The Harvard Mark I, also known as the IBM ASCC, was one of the first large-scale electromechanical computers, conceived by Howard Aiken of Harvard and built by IBM. Delivered in 1944, it was used primarily for military calculations during World War II.

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El telar de Jacquard es un telar mecánico inventado por Joseph Marie Jacquard en 1801. El artilugio utilizaba tarjetas perforadas para conseguir tejer patrones en la tela, permitiendo que hasta los usuarios más inexpertos pudieran elaborar complejos diseños.

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1822 Una máquina diferencial es una calculadora mecánica de propósito especial, diseñada para calcular funciones polinómicas. Puesto que las funciones logarítmicas y trigonométricas pueden ser aproximadas por polinomios, esta máquina es más general de lo que parece al principio.

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La máquina analítica es el diseño de un computador moderno de uso general realizado por el profesor británico de matemática Charles Babbage,[1]​ que representó un paso importante en la historia de la informática. Fue inicialmente descrita en 1837, aunque Babbage continuó refinando el diseño hasta su muerte en 1871

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ENIAC fue el primer ordenador de propósito general y totalmente digital. Diseñado por John Presper Eckert y John William Mauchly en la Universidad de Pensilvania en 1943, su objetivo principal era calcular trayectorias balísticas para el ejército de los EE. UU. en plena Segunda Guerra Mundial.

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ENIAC fue el primer ordenador de propósito general y totalmente digital. Diseñado por John Presper Eckert y John William Mauchly en la Universidad de Pensilvania en 1943, su objetivo principal era calcular trayectorias balísticas para el ejército de los EE. UU. en plena Segunda Guerra Mundial.

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Created to process the U.S. Census, it used punched cards and reduced data analysis time from years to months. This invention later led to the foundation of IBM.

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Developed at Bell Labs, the transistor replaced vacuum tubes, making computers smaller, faster, and more energy-efficient.

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First Commercial Microprocessor (Intel 4004)

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First Commercial Microprocessor (Intel 4004)

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Intel launched the 4004, the first microprocessor integrated on a single chip, marking the beginning of the personal computer era.

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A team at the University of Cambridge develops the Electronic Delay Storage Automatic Calculator (EDSAC), "the first practical stored-program computer," according to O'Regan. "EDSAC ran its first program in May 1949 when it calculated a table of squares and a list of prime numbers," O'Regan wrote.

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Grace Hopper develops the first computer language, which eventually becomes known as COBOL, which stands for COmmon, Business-Oriented Language according to the National Museum of American History. Hopper is later dubbed the "First Lady of Software" in her posthumous Presidential Medal of Freedom citation.

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AMD's Athlon 64, the first 64-bit processor for personal computers, is released to customers.

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Jacquard Loom (1801): Joseph Marie Jacquard created an automatic loom that used punched cards to control fabric patterns, introducing the idea of ​​a stored program or set of instructions to automate a process.

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Mechanical calculating machines: At the beginning of the 20th century, various mechanical calculators, cash registers, and accounting machines existed that were redesigned to use electric motors.

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Differential Analyzer: Built by Vannevar Bush in 1930, it was one of the first analog computers and used mechanical components with electric motors.