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Mainframe computers are often used as servers. The term mainframe was derived from the large cabinet, called a main frame, [2] that housed the central processing unit and main memory of early computers. [3] [4] [5] Later, the term mainframe was used to distinguish high-end commercial computers from less powerful machines. [6]
ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [ 3 ] [ 4 ] Other computers had some of these features, but ENIAC was the first to have them all.
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.
A month later, they renamed their next project to "the UNIVAC." Later in October of that year, the duo drafted U.S. patent 2,629,827, which was a mercury acoustic delay-line electronic memory system. [8] The patent was eventually accepted in February 1953 as the "first device to gain widespread acceptance as a reliable computer memory system."
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.
Ken Olsen, the MIT-educated inventor who started Digital Equipment Corp. with $70,000 in venture capital in the 1950s and built it into a company with billions of dollars in sales and more than ...
International Business Machines (IBM) used to dominate the computer industry -- especially in the 1960s when mainframe computers were the only game in town. During the 1970s, that dominance gave ...
The first mass market personal computer with a graphical user interface, its development was central in the move to such systems for personal computers. The Lisa's sloth and high price ($10,000) led to its ultimate failure.