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(International Business Machines Corporation, Armonk, NY, One of the world's oldest and largest computer companies with revenues of USD $93 billion in 2014. IBM derives most of its revenue from software and services.

IBM product lines include mainframes (see System z), midrange models (see Power Systems) and Intel-based servers (see System x). Although IBM was a major player in personal computers, it sold its PC line in 2004 to Lenovo, China's largest computer manufacturer. In 2014, Lenovo also acquired IBM's System x line.

It all started in New York in 1911 when the Computing-Tabulating-Recording Company (CTR) was created by a merger of The Tabulating Machine Company (Hollerith's punch card company in Washington, DC), International Time Recording Company (time clock maker in NY state), Computing Scale Company (maker of scales and food slicers in Dayton, Ohio), and Bundy Manufacturing (time clock maker in Auburn, NY). CTR started out with 1,200 employees and a capital value of $17.5 million.

In 1914, Thomas J. Watson, Sr., became general manager. During the next 10 years, he dispensed with all non-tabulating business and turned it into an international enterprise renamed IBM in 1924. Watson instilled a strict, professional demeanor in his employees that set IBMers apart from the rest of the crowd.

IBM achieved spectacular success with its punch card tabulating machines. From the 1920s through the 1960s, it developed a huge customer base that was ideal for conversion to computers, spearheaded by Watson's son, Thomas J. Watson, Jr.

IBM launched its computer business in 1953 with the 701 and introduced the 650 a year later. By the end of the 1950s, the 650 was the most widely used computer in the world with 1,800 systems installed. The 1401, announced in 1959, was its second computer winner; and by the mid-1960s, an estimated 18,000 were in use. See IBM 650 and IBM 1401.

In 1964, IBM announced the System/360, the first family of compatible computers ever developed. The 360s were enormously successful and set a standard underlying IBM mainframes to this day. See System/360.

During the 1970s and 1980s, IBM made a variety of incompatible minicomputer systems, including the System/36 and System/38. Its highly successful AS/400, introduced in 1988, provided a line of compatible machines in this segment, evolving two decades later into the Power Systems family. See System/36, System/38 and Power.

In 1981, IBM introduced the PC into a chaotic personal computer field and set the standard almost overnight. Although one of the largest PC manufacturers, IBM sold its laptop business to Lenovo in 2004 and exited the desktop PC industry. It let Lenovo, HP, Dell, Toshiba and others battle over the end-user market it created (see IBM PC and Lenovo).

In the late 1990s, IBM embraced the Linux operating system and supports it on all of its product lines. This was a major shift for a company known for proprietary software. Today, IBM mainframes continue to flourish as a huge amount of enterprise data is still processed by these machines with a lineage dating back five decades.

The Man Who Built an Empire
This photo of Thomas J. Watson, Sr., was taken in 1920, four years before he renamed the company IBM. (Image courtesy of IBM.)

IBM Office, London, 1935
"Dayton Money Making Machines" were sold all across the world. IBM became an international enterprise in the late 1930s. (Image courtesy of IBM.)
References in periodicals archive ?
An IBM computer has handily beat two human competitors on the popular US quiz show Jeopardy in a three-day showdown, highlighting at the same time the progress people have made in making machines able to think like them.
The agreement makes IBM computers and peripherals available to the more than 2.
Last night he was battling it out in the last of a six-game match in New York against the IBM computer.
Bank bosses called in a team of IBM computer specialists - some in the USA - to solve the problem, which hit about 400 branches.
In both cases, the taxpayer was engaged in the business of financing and leasing IBM computer equipment, and refurbishing and remarketing used IBM computers.
When all the processors are working in parallel, each one handling a small part of a computation, the IBM computer can handle more than 10 billion floating point operations per second.
When analyzing this, there are three classes of products that could be displaced: current IBM computer products used in industrial applications, such as the Series/1; IBM terminal products like the 3270 family and 3270 compatibles used in manufacturing; and non-IBM computers such as those from DEC, Hewlett-Packard, and other traditional manufacturing computer suppliers.
We are very gratified that the Court ruled that Perfect 10 is likely to succeed on a key part of its claims against Google," said Norm Zada, a former Stanford, UCLA, and Columbia University professor and IBM Computer Science Research Staff Member who began publishing Perfect 10 Magazine in 1997.
REAL fears were generated in Dublin yesterday over the prospect of job cuts at the huge IBM computer set-up.
With the implementation of the IBM computer system in October, Jagged Edge will expand its technical infrastructure in all company applications including e-commerce, retail, inventory and inter-company communications.
The county plans to sign a three-year lease on an IBM computer system and related software.
When IBM computer programmer Mr Alan Schofield set up IT recruitment consultancy Professional Systems Personnel in 1985, he used a manual card index system for client details and a filing cabinet for candidate CVs.