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A minicomputer, or colloquially mini, is a type of smaller general-purpose computer developed in the mid-1960s [1][2] and sold at a much lower price than mainframe [3] and mid-size computers from IBM and its direct competitors. In a 1970 survey, The New York Times suggested a consensus definition of a minicomputer as a machine costing less than ...
A "Straight-8" running at the Stuttgart Computer Museum. The earliest PDP-8 model, informally known as a "Straight-8", was introduced on 22 March 1965 priced at $18,500 [3] (equivalent to about $178,900 in 2023 [4]). It uses diode–transistor logic packaged on flip chip cards in a machine about the size of a small household refrigerator.
An early portable computer with integrated monitor; the 5100 was possibly one of the first portable microcomputers using a CRT display. Sphere 1. 1975. A personal computer that was among the earliest complete all-in-one microcomputers that could be plugged in, turned on, and be fully functional.
A Nova 1200, mid-right, processed the images generated by the EMI-Scanner, the world's first commercially available CT scanner. The Data General Nova is a series of 16-bit minicomputers released by the American company Data General. The Nova family was very popular in the 1970s and ultimately sold tens of thousands of units.
HP 3000 Series III. The HP 3000 series [1] is a family of 16-bit and 32-bit minicomputers from Hewlett-Packard. [2] It was designed to be the first minicomputer with full support for time-sharing in the hardware and the operating system, features that had mostly been limited to mainframes, or retrofitted to existing systems like Digital's PDP-11, on which Unix was implemented.
A microcomputer is a small, relatively inexpensive computer having a central processing unit (CPU) made out of a microprocessor. [2] The computer also includes memory and input/output (I/O) circuitry together mounted on a printed circuit board (PCB). [3] Microcomputers became popular in the 1970s and 1980s with the advent of increasingly ...