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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 ...
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.
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 ...
Classes of computers. Different types of computers – clockwise from top left: Desktop computer (IBM ThinkCentre S50 with monitor) Smartphone (LYF Water 2) Supercomputer (IBM Blue Gene/P) Video game console (Nintendo GameCube) Computers can be classified, or typed, in many ways. Some common classifications of computers are given below.
e. The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers. The first aids to computation were purely mechanical devices which required the operator to set up the initial values of an elementary arithmetic operation, then manipulate the device to obtain the result.
The planar process was developed by Noyce's colleague Jean Hoerni in early 1959, based on the silicon surface passivation and thermal oxidation processes developed by by Carl Frosch and Lincoln Derrick in 1955 and 1957. [4][5][6][7][8][9] Computers using IC chips began to appear in the early 1960s.