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International Business Machines Corporation (IBM) is a multinational corporation specializing in computer technology and information technology consulting. Headquartered in Armonk, New York, the company originated from the amalgamation of various enterprises dedicated to automating routine business transactions, notably pioneering punched card-based data tabulating machines and time clocks.
The following is a chronological list of people who have served as chief executive officer of IBM, an American multinational technology and consulting corporation headquartered in Armonk, New York. Thomas J. Watson (1914–1956) [1] Thomas J. Watson, Jr. (1956–1971) [1] T. Vincent Learson (1971–1973) [1] Frank T. Cary (1973–1981) [1]
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
IBM originated with several technological innovations developed and commercialized in the late 19th century. Julius E. Pitrap patented the computing scale in 1885; [18] Alexander Dey invented the dial recorder (1888); [19] Herman Hollerith patented the Electric Tabulating Machine (1889); [20] and Willard Bundy invented a time clock to record workers' arrival and departure times on a paper tape ...
UNIX History – a timeline of UNIX 1969 and its descendants at present Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s ...
On August 12th, 1981, IBM introduced their first PC model, also known as the 5150. Can you imagine functioning today IBM releases its first personal computer on This Day in History, August 12th, 1981
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 and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
IBM logo. IBM has undergone a large number of mergers and acquisitions during a corporate history lasting over a century; the company has also produced a number of spinoffs during that time. The acquisition date listed is the date of the agreement between IBM and the subject of the acquisition.