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A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations (computation). Modern digital electronic...

A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk...

ENIAC (/ˈɛniæk/; Electronic Numerical Integrator and Computer) was the first programmable, electronic, general-purpose digital computer, completed in 1945...

The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers. The first aids to computation...

Colossus was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher. Colossus used...

Microsoft BASIC is the foundation software product of the Microsoft company and evolved into a line of BASIC interpreters and compiler(s) adapted for many...

This is a list of people who made transformative breakthroughs in the creation, development and imagining of what computers could do. ~ Items marked with...

IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series...

The history of computing hardware starting at 1960 is marked by the conversion from vacuum tube to solid-state devices such as transistors and then integrated...

The Harvard Mark I, or IBM Automatic Sequence Controlled Calculator (ASCC), was one of the earliest general-purpose electromechanical computers used in...

The UNIVAC I (Universal Automatic Computer I) was the first general-purpose electronic digital computer design for business application produced in the...

The IBM 701 Electronic Data Processing Machine, known as the Defense Calculator while in development, was IBM’s first commercial scientific computer and...

A transistor computer, now often called a second-generation computer, is a computer which uses discrete transistors instead of vacuum tubes. The first...

EDVAC (Electronic Discrete Variable Automatic Computer) was one of the earliest electronic computers. It was built by Moore School of Electrical Engineering...

The Eckert–Mauchly Computer Corporation (EMCC) (March 1946 – 1950) was a computer company founded by J. Presper Eckert and John Mauchly. It was incorporated...

The MISTIC, or Michigan State Integral Computer, was the first computer system at Michigan State University and was built by its students, faculty and...

This is a list of UNIVAC products. It ends in 1986, the year that Sperry Corporation merged with Burroughs Corporation to form Unisys as a result of a...

The RAYDAC (for Raytheon Digital Automatic Computer) was a one-of-a-kind computer built by Raytheon. It was started in 1949 and finished in 1953.[page needed]...

Vacuum-tube computers, now called first-generation computers, are programmable digital computers using vacuum-tube logic circuitry. They were preceded...

The ILLIAC IV was the first massively parallel computer. The system was originally designed to have 256 64-bit floating point units (FPUs) and four central...