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The Micro-Professor MPF-I is a microcomputer released by Multitech (later renamed Acer) in 1981. The company's first branded product, it was marketed as a training system to learn machine code and assembly language for the Zilog Z80 microprocessor. After releasing several iterations of the product, Acer sold the product line to Flite ...
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 ]
In the BBC Microcomputer System, the Tube is the expansion interface and architecture which allows the BBC Micro to communicate with a second processor, or coprocessor. Under the Tube architecture, the coprocessor runs the application software for the user, whilst the Micro (acting as a host ) provides all I/O functions, such as screen display ...
The crucial function of a file server is storage. File servers are commonly found in schools and offices, where users use a local area network to connect their client computers and use Network-attached storage (NAS) systems to provide data access. A web server is a server that can satisfy client requests on the World Wide Web.
VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...
one card (shown right) with the I/O part of the computer: a LED seven segment display, a 25-key keypad (hex+function keys), and a cassette CUTS interface (the circuitry to the left of the keypad) the second card (the computer board - see below), which included the CPU, RAM/ROM memory, and support chips
Later minicomputers tended to be more compact, and while still distinct in terms of architecture and function, some models eventually shrunk to a similar size as large microcomputers. In terms of relative computing power compared to contemporary mainframes, small systems that were similar to minicomputers had been available from the 1950s.
By 1976 the number of pre-assembled machines was growing, and the 1977 introduction of the "Trinity" of Commodore PET, TRS-80 and Apple II generally marks the end of the "early" microcomputer era, and the advent of the consumer home computer era that followed.