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The Centro de Investigaciones Digitales (CID, "Center for Digital Researches") was formed. The project was directed by Luis Carrasco and mostly designed by Orlando Ramos . The first version was designed using transistors , but after the introduction of integrated circuits , the design was changed.
The IBM 305 RAMAC was the first commercial computer that used a moving-head hard disk drive (magnetic disk storage) for secondary storage. [1] The system was publicly announced on September 14, 1956, [2] [3] with test units already installed at the U.S. Navy and at private corporations. [2]
1961 Semiconductor Network Computer (Molecular Electronic Computer, Mol-E-Com), [1] [2] [3] first monolithic integrated circuit [4] [5] [6] general purpose computer (built for demonstration purposes, programmed to simulate a desk calculator) was built by Texas Instruments for the US Air Force.
The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, [1] and delivered between 1965 and 1978. [2] System/360 was the first family of computers designed to cover both commercial and scientific applications and a complete range of applications from small to large.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
IBM 704 vacuum-tube circuit module. The IBM 704 had a 38-bit accumulator, a 36-bit multiplier/quotient register, and three 15-bit index registers.The contents of the index registers are subtracted from the base address, so the index registers are also called "decrement registers".
IBM 1620 data processing machine with IBM 1627 plotter, on display at the 1962 Seattle World's Fair. The IBM 1620 was a model of scientific minicomputer produced by IBM.It was announced on October 21, 1959, [1] and was then marketed as an inexpensive scientific computer. [2]
Ferranti Mark 1 components. Based on the Manchester Mark 1, [3] [8] which was designed at the University of Manchester by Freddie Williams and Tom Kilburn, the machine was built by Ferranti of the United Kingdom.