By Gerard O'Regan
This obtainable compendium examines a suite of important expertise agencies that experience helped to form the sphere of computing and its influence on society. each one corporation is brought with a short account of its background, through a concise account of its key contributions. the choice covers a various variety of ancient and modern organisations from pioneers of e-commerce to influential social media businesses. beneficial properties: offers info on early computing device brands; stories vital mainframe and minicomputer businesses; examines the contributions to the sector of semiconductors made by way of sure businesses; describes businesses which were lively in constructing domestic and private desktops; surveys outstanding examine facilities; discusses the influence of telecommunications businesses and people enthusiastic about the realm of company software program and company computing; considers the achievements of e-commerce businesses; presents a assessment of social media companies.
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However, a laser printer has an additional capability in that it can position text and high-quality graphics on the same page. PostScript is more than a printer control language in that it is a complete programming language in its own right. PostScript programs are typically produced by other programs and not by humans. Applications can transform a document into a PostScript program, and the execution of the program results in the printing of the original document. 10 2 Adobe Systems The early PostScript printers required significant processing power, and they were often more powerful than the machines that they were connected to.
IBM invested over $5 billion in the design and development of the S/360. However, the gamble paid off, and it was a very successful product line for the company. Amdahl was appointed an IBM fellow in 1965 in recognition of his contribution to IBM, and he was appointed director of IBM’s Advanced Computing Systems (ACS) Laboratory in California and given freedom to pursue his own research projects. However, he resigned from IBM and set up Amdahl Corporation in 1970, and his goals were to develop a mainframe that would provide better performance than the existing IBM machines, and would do so at lower cost, and would be compatible with IBM hardware and software.
4 Claude Shannon He moved to the Mathematics Department at Bell Labs in the 1940s and commenced work that would lead to the foundation of modern Information Theory and to the field of cryptography. Shannon’s work on Information theory was an immediate success with communications engineers. He established the theoretical basis for cryptography and defined the basic mathematical structures that underlie secrecy systems. He also made contributions to genetics and invented a chess-playing computer program in 1948.