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Computer science is more theoretical (Turing's essay is an example of computer science), whereas software engineering is focused on more practical concerns. However, prior to 1946, software as we now understand it – programs stored in the memory of stored-program digital computers – did not yet exist. The very first electronic computing ...
R2E CCMC Portal laptop. The portable microcomputer "Portal", of the French company R2E Micral CCMC, officially appeared in September 1980 at the Sicob show in Paris.The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E Micral in 1980 at the request of the company CCMC specializing in payroll and accounting.
The Gamma 3 had innovative features for its time including a dual-mode, software switchable, BCD and binary ALU, as well as a hardwired floating-point library for scientific computing. [131] In its E.T configuration, the Gamma 3 drum memory could fit about 50,000 instructions for a capacity of 16,384 words (around 100 kB), a large amount for ...
The Mark 1 had no operating system; its only system software was a few basic routines for input and output. [1] As in the Baby from which it was developed, and in contrast to the established mathematical convention, the machine's storage was arranged with the least significant digits to the left; thus a one was represented in five bits as ...
It is now classified as a "luggable" computer when compared to those later "laptop" designs such as the Epson HX-20. The Osborne 1 was described as "a cross between a World War II field radio and a shrunken instrument panel of a DC-3 ", [ 5 ] and Felstenstein admitted that carrying two of them to a trade show "nearly pulled my arms out of their ...
The rise of the Internet and cloud computing enabled a new model, software as a service (SaaS), [18] in which the provider hosts the software (usually built on top of rented infrastructure or platforms) [19] and provides the use of the software to customers, often in exchange for a subscription fee. [17]
R2E CCMC Portal laptop in September 1980 at the SICOB show in PARIS. The portable micro computer; the "Portal" of the French company R2E Micral CCMC officially appeared in September 1980 at the Sicob show in Paris. The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E ...
The Apple Computer 1 (Apple-1 [a]), later known predominantly as the Apple I (written with a Roman numeral), [b] is an 8-bit motherboard-only personal computer designed by Steve Wozniak [5] [6] and released by the Apple Computer Company (now Apple Inc.) in 1976.